Home / 99,357.26-137,064.84-59,042.50

Finding the Fourth Proportional to 99,357.26, 137,064.84 and 59,042.50

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Solution

The fourth proportional to 99,357.26, 137,064.84 and 59,042.50 is: 81,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,357.26 : 137,064.84 = 59,042.50 : x
  2. Step 2: Convert to fraction form
    99,357.26/137,064.84 = 59,042.50/x
  3. Step 3: Cross multiply
    99,357.26x = 137,064.84 × 59,042.50
  4. Step 4: Simplify right side
    99,357.26x = 8,092,650,815.70
  5. Step 5: Solve for x
    x = 8,092,650,815.70/99,357.26
  6. Step 6: Final answer
    x = 81,450.02

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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.