Home / 86,720.96-130,081.44-24,391.46

Finding the Fourth Proportional to 86,720.96, 130,081.44 and 24,391.46

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Solution

The fourth proportional to 86,720.96, 130,081.44 and 24,391.46 is: 36,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720.96 : 130,081.44 = 24,391.46 : x
  2. Step 2: Convert to fraction form
    86,720.96/130,081.44 = 24,391.46/x
  3. Step 3: Cross multiply
    86,720.96x = 130,081.44 × 24,391.46
  4. Step 4: Simplify right side
    86,720.96x = 3,172,876,240.50
  5. Step 5: Solve for x
    x = 3,172,876,240.50/86,720.96
  6. Step 6: Final answer
    x = 36,587.19

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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.