Home / 86,463.59-119,316.65-48,221.06

Finding the Fourth Proportional to 86,463.59, 119,316.65 and 48,221.06

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Solution

The fourth proportional to 86,463.59, 119,316.65 and 48,221.06 is: 66,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,463.59 : 119,316.65 = 48,221.06 : x
  2. Step 2: Convert to fraction form
    86,463.59/119,316.65 = 48,221.06/x
  3. Step 3: Cross multiply
    86,463.59x = 119,316.65 × 48,221.06
  4. Step 4: Simplify right side
    86,463.59x = 5,753,574,500.96
  5. Step 5: Solve for x
    x = 5,753,574,500.96/86,463.59
  6. Step 6: Final answer
    x = 66,543.33

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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.