Home / 86,041.03-129,079.77-26,881.16

Finding the Fourth Proportional to 86,041.03, 129,079.77 and 26,881.16

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Solution

The fourth proportional to 86,041.03, 129,079.77 and 26,881.16 is: 40,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,041.03 : 129,079.77 = 26,881.16 : x
  2. Step 2: Convert to fraction form
    86,041.03/129,079.77 = 26,881.16/x
  3. Step 3: Cross multiply
    86,041.03x = 129,079.77 × 26,881.16
  4. Step 4: Simplify right side
    86,041.03x = 3,469,813,950.13
  5. Step 5: Solve for x
    x = 3,469,813,950.13/86,041.03
  6. Step 6: Final answer
    x = 40,327.43

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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.