Home / 89,649.23-123,711.07-49,355.35

Finding the Fourth Proportional to 89,649.23, 123,711.07 and 49,355.35

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Solution

The fourth proportional to 89,649.23, 123,711.07 and 49,355.35 is: 68,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,649.23 : 123,711.07 = 49,355.35 : x
  2. Step 2: Convert to fraction form
    89,649.23/123,711.07 = 49,355.35/x
  3. Step 3: Cross multiply
    89,649.23x = 123,711.07 × 49,355.35
  4. Step 4: Simplify right side
    89,649.23x = 6,105,803,305.35
  5. Step 5: Solve for x
    x = 6,105,803,305.35/89,649.23
  6. Step 6: Final answer
    x = 68,107.70

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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.