Home / 89,148.14-123,023.70-48,861.81

Finding the Fourth Proportional to 89,148.14, 123,023.70 and 48,861.81

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Solution

The fourth proportional to 89,148.14, 123,023.70 and 48,861.81 is: 67,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,148.14 : 123,023.70 = 48,861.81 : x
  2. Step 2: Convert to fraction form
    89,148.14/123,023.70 = 48,861.81/x
  3. Step 3: Cross multiply
    89,148.14x = 123,023.70 × 48,861.81
  4. Step 4: Simplify right side
    89,148.14x = 6,011,160,744.01
  5. Step 5: Solve for x
    x = 6,011,160,744.01/89,148.14
  6. Step 6: Final answer
    x = 67,428.89

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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.