Home / 89,726.40-123,827.96-49,440.15

Finding the Fourth Proportional to 89,726.40, 123,827.96 and 49,440.15

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Solution

The fourth proportional to 89,726.40, 123,827.96 and 49,440.15 is: 68,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,726.40 : 123,827.96 = 49,440.15 : x
  2. Step 2: Convert to fraction form
    89,726.40/123,827.96 = 49,440.15/x
  3. Step 3: Cross multiply
    89,726.40x = 123,827.96 × 49,440.15
  4. Step 4: Simplify right side
    89,726.40x = 6,122,072,669.39
  5. Step 5: Solve for x
    x = 6,122,072,669.39/89,726.40
  6. Step 6: Final answer
    x = 68,230.45

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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.