Home / 66,055.10-99,082.65-63,722.30

Finding the Fourth Proportional to 66,055.10, 99,082.65 and 63,722.30

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Solution

The fourth proportional to 66,055.10, 99,082.65 and 63,722.30 is: 95,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,055.10 : 99,082.65 = 63,722.30 : x
  2. Step 2: Convert to fraction form
    66,055.10/99,082.65 = 63,722.30/x
  3. Step 3: Cross multiply
    66,055.10x = 99,082.65 × 63,722.30
  4. Step 4: Simplify right side
    66,055.10x = 6,313,774,348.10
  5. Step 5: Solve for x
    x = 6,313,774,348.10/66,055.10
  6. Step 6: Final answer
    x = 95,583.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.