Home / 86,580.32-129,874.19-34,001.19

Finding the Fourth Proportional to 86,580.32, 129,874.19 and 34,001.19

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Solution

The fourth proportional to 86,580.32, 129,874.19 and 34,001.19 is: 51,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,580.32 : 129,874.19 = 34,001.19 : x
  2. Step 2: Convert to fraction form
    86,580.32/129,874.19 = 34,001.19/x
  3. Step 3: Cross multiply
    86,580.32x = 129,874.19 × 34,001.19
  4. Step 4: Simplify right side
    86,580.32x = 4,415,876,840.28
  5. Step 5: Solve for x
    x = 4,415,876,840.28/86,580.32
  6. Step 6: Final answer
    x = 51,003.24

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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.