Home / 86,276.96-119,061.92-48,551.28

Finding the Fourth Proportional to 86,276.96, 119,061.92 and 48,551.28

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Solution

The fourth proportional to 86,276.96, 119,061.92 and 48,551.28 is: 67,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,276.96 : 119,061.92 = 48,551.28 : x
  2. Step 2: Convert to fraction form
    86,276.96/119,061.92 = 48,551.28/x
  3. Step 3: Cross multiply
    86,276.96x = 119,061.92 × 48,551.28
  4. Step 4: Simplify right side
    86,276.96x = 5,780,608,615.26
  5. Step 5: Solve for x
    x = 5,780,608,615.26/86,276.96
  6. Step 6: Final answer
    x = 67,000.61

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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.