Home / 67,432.16-101,066.16-47,716.40

Finding the Fourth Proportional to 67,432.16, 101,066.16 and 47,716.40

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Solution

The fourth proportional to 67,432.16, 101,066.16 and 47,716.40 is: 71,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,432.16 : 101,066.16 = 47,716.40 : x
  2. Step 2: Convert to fraction form
    67,432.16/101,066.16 = 47,716.40/x
  3. Step 3: Cross multiply
    67,432.16x = 101,066.16 × 47,716.40
  4. Step 4: Simplify right side
    67,432.16x = 4,822,513,317.02
  5. Step 5: Solve for x
    x = 4,822,513,317.02/67,432.16
  6. Step 6: Final answer
    x = 71,516.52

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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.