Home / 88,712.59-122,419.06-50,468.53

Finding the Fourth Proportional to 88,712.59, 122,419.06 and 50,468.53

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Solution

The fourth proportional to 88,712.59, 122,419.06 and 50,468.53 is: 69,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,712.59 : 122,419.06 = 50,468.53 : x
  2. Step 2: Convert to fraction form
    88,712.59/122,419.06 = 50,468.53/x
  3. Step 3: Cross multiply
    88,712.59x = 122,419.06 × 50,468.53
  4. Step 4: Simplify right side
    88,712.59x = 6,178,310,002.18
  5. Step 5: Solve for x
    x = 6,178,310,002.18/88,712.59
  6. Step 6: Final answer
    x = 69,644.12

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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.