Home / 86,538.48-119,423.28-48,812.88

Finding the Fourth Proportional to 86,538.48, 119,423.28 and 48,812.88

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Solution

The fourth proportional to 86,538.48, 119,423.28 and 48,812.88 is: 67,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538.48 : 119,423.28 = 48,812.88 : x
  2. Step 2: Convert to fraction form
    86,538.48/119,423.28 = 48,812.88/x
  3. Step 3: Cross multiply
    86,538.48x = 119,423.28 × 48,812.88
  4. Step 4: Simplify right side
    86,538.48x = 5,829,394,235.85
  5. Step 5: Solve for x
    x = 5,829,394,235.85/86,538.48
  6. Step 6: Final answer
    x = 67,361.87

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1.5x scale

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.