Home / 86,507.26-119,380.04-48,781.52

Finding the Fourth Proportional to 86,507.26, 119,380.04 and 48,781.52

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Solution

The fourth proportional to 86,507.26, 119,380.04 and 48,781.52 is: 67,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,507.26 : 119,380.04 = 48,781.52 : x
  2. Step 2: Convert to fraction form
    86,507.26/119,380.04 = 48,781.52/x
  3. Step 3: Cross multiply
    86,507.26x = 119,380.04 × 48,781.52
  4. Step 4: Simplify right side
    86,507.26x = 5,823,539,808.86
  5. Step 5: Solve for x
    x = 5,823,539,808.86/86,507.26
  6. Step 6: Final answer
    x = 67,318.51

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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.