Home / 89,417.08-123,394.98-49,131.28

Finding the Fourth Proportional to 89,417.08, 123,394.98 and 49,131.28

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Solution

The fourth proportional to 89,417.08, 123,394.98 and 49,131.28 is: 67,800.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,417.08 : 123,394.98 = 49,131.28 : x
  2. Step 2: Convert to fraction form
    89,417.08/123,394.98 = 49,131.28/x
  3. Step 3: Cross multiply
    89,417.08x = 123,394.98 × 49,131.28
  4. Step 4: Simplify right side
    89,417.08x = 6,062,553,312.97
  5. Step 5: Solve for x
    x = 6,062,553,312.97/89,417.08
  6. Step 6: Final answer
    x = 67,800.84

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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.