Home / 86,337.30-119,143.68-48,096.79

Finding the Fourth Proportional to 86,337.30, 119,143.68 and 48,096.79

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Solution

The fourth proportional to 86,337.30, 119,143.68 and 48,096.79 is: 66,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,337.30 : 119,143.68 = 48,096.79 : x
  2. Step 2: Convert to fraction form
    86,337.30/119,143.68 = 48,096.79/x
  3. Step 3: Cross multiply
    86,337.30x = 119,143.68 × 48,096.79
  4. Step 4: Simplify right side
    86,337.30x = 5,730,428,748.75
  5. Step 5: Solve for x
    x = 5,730,428,748.75/86,337.30
  6. Step 6: Final answer
    x = 66,372.57

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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.