Home / 99,407.56-137,130.18-59,092.66

Finding the Fourth Proportional to 99,407.56, 137,130.18 and 59,092.66

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Solution

The fourth proportional to 99,407.56, 137,130.18 and 59,092.66 is: 81,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,407.56 : 137,130.18 = 59,092.66 : x
  2. Step 2: Convert to fraction form
    99,407.56/137,130.18 = 59,092.66/x
  3. Step 3: Cross multiply
    99,407.56x = 137,130.18 × 59,092.66
  4. Step 4: Simplify right side
    99,407.56x = 8,103,387,102.48
  5. Step 5: Solve for x
    x = 8,103,387,102.48/99,407.56
  6. Step 6: Final answer
    x = 81,516.81

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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.