Home / 88,418.25-122,029.54-56,654.81

Finding the Fourth Proportional to 88,418.25, 122,029.54 and 56,654.81

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Solution

The fourth proportional to 88,418.25, 122,029.54 and 56,654.81 is: 78,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,418.25 : 122,029.54 = 56,654.81 : x
  2. Step 2: Convert to fraction form
    88,418.25/122,029.54 = 56,654.81/x
  3. Step 3: Cross multiply
    88,418.25x = 122,029.54 × 56,654.81
  4. Step 4: Simplify right side
    88,418.25x = 6,913,560,108.91
  5. Step 5: Solve for x
    x = 6,913,560,108.91/88,418.25
  6. Step 6: Final answer
    x = 78,191.55

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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.