Home / 65,742.10-98,613.15-54,807.10

Finding the Fourth Proportional to 65,742.10, 98,613.15 and 54,807.10

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Solution

The fourth proportional to 65,742.10, 98,613.15 and 54,807.10 is: 82,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,742.10 : 98,613.15 = 54,807.10 : x
  2. Step 2: Convert to fraction form
    65,742.10/98,613.15 = 54,807.10/x
  3. Step 3: Cross multiply
    65,742.10x = 98,613.15 × 54,807.10
  4. Step 4: Simplify right side
    65,742.10x = 5,404,700,773.37
  5. Step 5: Solve for x
    x = 5,404,700,773.37/65,742.10
  6. Step 6: Final answer
    x = 82,210.65

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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.