Home / 66,310.10-99,465.15-63,430.55

Finding the Fourth Proportional to 66,310.10, 99,465.15 and 63,430.55

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Solution

The fourth proportional to 66,310.10, 99,465.15 and 63,430.55 is: 95,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,310.10 : 99,465.15 = 63,430.55 : x
  2. Step 2: Convert to fraction form
    66,310.10/99,465.15 = 63,430.55/x
  3. Step 3: Cross multiply
    66,310.10x = 99,465.15 × 63,430.55
  4. Step 4: Simplify right side
    66,310.10x = 6,309,129,170.33
  5. Step 5: Solve for x
    x = 6,309,129,170.33/66,310.10
  6. Step 6: Final answer
    x = 95,145.83

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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.