Home / 89,952.77-124,139.69-49,666.41

Finding the Fourth Proportional to 89,952.77, 124,139.69 and 49,666.41

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Solution

The fourth proportional to 89,952.77, 124,139.69 and 49,666.41 is: 68,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,952.77 : 124,139.69 = 49,666.41 : x
  2. Step 2: Convert to fraction form
    89,952.77/124,139.69 = 49,666.41/x
  3. Step 3: Cross multiply
    89,952.77x = 124,139.69 × 49,666.41
  4. Step 4: Simplify right side
    89,952.77x = 6,165,572,492.48
  5. Step 5: Solve for x
    x = 6,165,572,492.48/89,952.77
  6. Step 6: Final answer
    x = 68,542.33

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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.