Home / 79,545.77-109,772.17-43,735.47

Finding the Fourth Proportional to 79,545.77, 109,772.17 and 43,735.47

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Solution

The fourth proportional to 79,545.77, 109,772.17 and 43,735.47 is: 60,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,545.77 : 109,772.17 = 43,735.47 : x
  2. Step 2: Convert to fraction form
    79,545.77/109,772.17 = 43,735.47/x
  3. Step 3: Cross multiply
    79,545.77x = 109,772.17 × 43,735.47
  4. Step 4: Simplify right side
    79,545.77x = 4,800,937,447.87
  5. Step 5: Solve for x
    x = 4,800,937,447.87/79,545.77
  6. Step 6: Final answer
    x = 60,354.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.