Home / 99,736.80-137,617.93-59,454.31

Finding the Fourth Proportional to 99,736.80, 137,617.93 and 59,454.31

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Solution

The fourth proportional to 99,736.80, 137,617.93 and 59,454.31 is: 82,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,736.80 : 137,617.93 = 59,454.31 : x
  2. Step 2: Convert to fraction form
    99,736.80/137,617.93 = 59,454.31/x
  3. Step 3: Cross multiply
    99,736.80x = 137,617.93 × 59,454.31
  4. Step 4: Simplify right side
    99,736.80x = 8,181,979,071.78
  5. Step 5: Solve for x
    x = 8,181,979,071.78/99,736.80
  6. Step 6: Final answer
    x = 82,035.71

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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.