Home / 86,538.63-119,423.12-48,812.61

Finding the Fourth Proportional to 86,538.63, 119,423.12 and 48,812.61

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Solution

The fourth proportional to 86,538.63, 119,423.12 and 48,812.61 is: 67,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538.63 : 119,423.12 = 48,812.61 : x
  2. Step 2: Convert to fraction form
    86,538.63/119,423.12 = 48,812.61/x
  3. Step 3: Cross multiply
    86,538.63x = 119,423.12 × 48,812.61
  4. Step 4: Simplify right side
    86,538.63x = 5,829,353,937.48
  5. Step 5: Solve for x
    x = 5,829,353,937.48/86,538.63
  6. Step 6: Final answer
    x = 67,361.29

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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.