Home / 86,909.86-130,386.66-24,580.36

Finding the Fourth Proportional to 86,909.86, 130,386.66 and 24,580.36

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Solution

The fourth proportional to 86,909.86, 130,386.66 and 24,580.36 is: 36,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909.86 : 130,386.66 = 24,580.36 : x
  2. Step 2: Convert to fraction form
    86,909.86/130,386.66 = 24,580.36/x
  3. Step 3: Cross multiply
    86,909.86x = 130,386.66 × 24,580.36
  4. Step 4: Simplify right side
    86,909.86x = 3,204,951,042.00
  5. Step 5: Solve for x
    x = 3,204,951,042.00/86,909.86
  6. Step 6: Final answer
    x = 36,876.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.