Home / 89,707.13-123,801.51-49,420.97

Finding the Fourth Proportional to 89,707.13, 123,801.51 and 49,420.97

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Solution

The fourth proportional to 89,707.13, 123,801.51 and 49,420.97 is: 68,204.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,707.13 : 123,801.51 = 49,420.97 : x
  2. Step 2: Convert to fraction form
    89,707.13/123,801.51 = 49,420.97/x
  3. Step 3: Cross multiply
    89,707.13x = 123,801.51 × 49,420.97
  4. Step 4: Simplify right side
    89,707.13x = 6,118,390,092.66
  5. Step 5: Solve for x
    x = 6,118,390,092.66/89,707.13
  6. Step 6: Final answer
    x = 68,204.06

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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.