Home / 99,788.02-137,704.02-59,481

Finding the Fourth Proportional to 99,788.02, 137,704.02 and 59,481

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Solution

The fourth proportional to 99,788.02, 137,704.02 and 59,481 is: 82,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,788.02 : 137,704.02 = 59,481 : x
  2. Step 2: Convert to fraction form
    99,788.02/137,704.02 = 59,481/x
  3. Step 3: Cross multiply
    99,788.02x = 137,704.02 × 59,481
  4. Step 4: Simplify right side
    99,788.02x = 8,190,772,813.62
  5. Step 5: Solve for x
    x = 8,190,772,813.62/99,788.02
  6. Step 6: Final answer
    x = 82,081.72

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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.