Home / 88,635.13-122,475.76-67,377.49

Finding the Fourth Proportional to 88,635.13, 122,475.76 and 67,377.49

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Solution

The fourth proportional to 88,635.13, 122,475.76 and 67,377.49 is: 93,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,635.13 : 122,475.76 = 67,377.49 : x
  2. Step 2: Convert to fraction form
    88,635.13/122,475.76 = 67,377.49/x
  3. Step 3: Cross multiply
    88,635.13x = 122,475.76 × 67,377.49
  4. Step 4: Simplify right side
    88,635.13x = 8,252,108,820.01
  5. Step 5: Solve for x
    x = 8,252,108,820.01/88,635.13
  6. Step 6: Final answer
    x = 93,102.01

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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.