Home / 88,780.86-133,171.02-29,612.52

Finding the Fourth Proportional to 88,780.86, 133,171.02 and 29,612.52

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Solution

The fourth proportional to 88,780.86, 133,171.02 and 29,612.52 is: 44,418.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,780.86 : 133,171.02 = 29,612.52 : x
  2. Step 2: Convert to fraction form
    88,780.86/133,171.02 = 29,612.52/x
  3. Step 3: Cross multiply
    88,780.86x = 133,171.02 × 29,612.52
  4. Step 4: Simplify right side
    88,780.86x = 3,943,529,493.17
  5. Step 5: Solve for x
    x = 3,943,529,493.17/88,780.86
  6. Step 6: Final answer
    x = 44,418.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.