Home / 66,316.10-99,474.16-63,436.56

Finding the Fourth Proportional to 66,316.10, 99,474.16 and 63,436.56

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Solution

The fourth proportional to 66,316.10, 99,474.16 and 63,436.56 is: 95,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,316.10 : 99,474.16 = 63,436.56 : x
  2. Step 2: Convert to fraction form
    66,316.10/99,474.16 = 63,436.56/x
  3. Step 3: Cross multiply
    66,316.10x = 99,474.16 × 63,436.56
  4. Step 4: Simplify right side
    66,316.10x = 6,310,298,519.29
  5. Step 5: Solve for x
    x = 6,310,298,519.29/66,316.10
  6. Step 6: Final answer
    x = 95,154.85

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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.