Home / 99,939.52-137,933.60-59,655.36

Finding the Fourth Proportional to 99,939.52, 137,933.60 and 59,655.36

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Solution

The fourth proportional to 99,939.52, 137,933.60 and 59,655.36 is: 82,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,939.52 : 137,933.60 = 59,655.36 : x
  2. Step 2: Convert to fraction form
    99,939.52/137,933.60 = 59,655.36/x
  3. Step 3: Cross multiply
    99,939.52x = 137,933.60 × 59,655.36
  4. Step 4: Simplify right side
    99,939.52x = 8,228,478,564.10
  5. Step 5: Solve for x
    x = 8,228,478,564.10/99,939.52
  6. Step 6: Final answer
    x = 82,334.58

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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.