Home / 89,756.36-123,862.17-48,920.90

Finding the Fourth Proportional to 89,756.36, 123,862.17 and 48,920.90

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Solution

The fourth proportional to 89,756.36, 123,862.17 and 48,920.90 is: 67,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,756.36 : 123,862.17 = 48,920.90 : x
  2. Step 2: Convert to fraction form
    89,756.36/123,862.17 = 48,920.90/x
  3. Step 3: Cross multiply
    89,756.36x = 123,862.17 × 48,920.90
  4. Step 4: Simplify right side
    89,756.36x = 6,059,448,213.04
  5. Step 5: Solve for x
    x = 6,059,448,213.04/89,756.36
  6. Step 6: Final answer
    x = 67,509.96

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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.