Home / 89,750.20-134,625.30-54,758.20

Finding the Fourth Proportional to 89,750.20, 134,625.30 and 54,758.20

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Solution

The fourth proportional to 89,750.20, 134,625.30 and 54,758.20 is: 82,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,750.20 : 134,625.30 = 54,758.20 : x
  2. Step 2: Convert to fraction form
    89,750.20/134,625.30 = 54,758.20/x
  3. Step 3: Cross multiply
    89,750.20x = 134,625.30 × 54,758.20
  4. Step 4: Simplify right side
    89,750.20x = 7,371,839,102.46
  5. Step 5: Solve for x
    x = 7,371,839,102.46/89,750.20
  6. Step 6: Final answer
    x = 82,137.30

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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.