Home / 86,058.90-129,023.55-36,098.10

Finding the Fourth Proportional to 86,058.90, 129,023.55 and 36,098.10

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Solution

The fourth proportional to 86,058.90, 129,023.55 and 36,098.10 is: 54,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058.90 : 129,023.55 = 36,098.10 : x
  2. Step 2: Convert to fraction form
    86,058.90/129,023.55 = 36,098.10/x
  3. Step 3: Cross multiply
    86,058.90x = 129,023.55 × 36,098.10
  4. Step 4: Simplify right side
    86,058.90x = 4,657,505,010.26
  5. Step 5: Solve for x
    x = 4,657,505,010.26/86,058.90
  6. Step 6: Final answer
    x = 54,119.97

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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.