Home / 89,129.12-123,001.58-50,894.90

Finding the Fourth Proportional to 89,129.12, 123,001.58 and 50,894.90

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Solution

The fourth proportional to 89,129.12, 123,001.58 and 50,894.90 is: 70,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,129.12 : 123,001.58 = 50,894.90 : x
  2. Step 2: Convert to fraction form
    89,129.12/123,001.58 = 50,894.90/x
  3. Step 3: Cross multiply
    89,129.12x = 123,001.58 × 50,894.90
  4. Step 4: Simplify right side
    89,129.12x = 6,260,152,244.46
  5. Step 5: Solve for x
    x = 6,260,152,244.46/89,129.12
  6. Step 6: Final answer
    x = 70,236.89

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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.