Home / 86,397.87-119,214.60-48,149.04

Finding the Fourth Proportional to 86,397.87, 119,214.60 and 48,149.04

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Solution

The fourth proportional to 86,397.87, 119,214.60 and 48,149.04 is: 66,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,397.87 : 119,214.60 = 48,149.04 : x
  2. Step 2: Convert to fraction form
    86,397.87/119,214.60 = 48,149.04/x
  3. Step 3: Cross multiply
    86,397.87x = 119,214.60 × 48,149.04
  4. Step 4: Simplify right side
    86,397.87x = 5,740,068,543.98
  5. Step 5: Solve for x
    x = 5,740,068,543.98/86,397.87
  6. Step 6: Final answer
    x = 66,437.62

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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.