Home / 66,309.10-99,463.65-63,429.55

Finding the Fourth Proportional to 66,309.10, 99,463.65 and 63,429.55

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Solution

The fourth proportional to 66,309.10, 99,463.65 and 63,429.55 is: 95,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309.10 : 99,463.65 = 63,429.55 : x
  2. Step 2: Convert to fraction form
    66,309.10/99,463.65 = 63,429.55/x
  3. Step 3: Cross multiply
    66,309.10x = 99,463.65 × 63,429.55
  4. Step 4: Simplify right side
    66,309.10x = 6,308,934,560.86
  5. Step 5: Solve for x
    x = 6,308,934,560.86/66,309.10
  6. Step 6: Final answer
    x = 95,144.33

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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.