Home / 86,373.43-129,629.27-44,832.31

Finding the Fourth Proportional to 86,373.43, 129,629.27 and 44,832.31

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Solution

The fourth proportional to 86,373.43, 129,629.27 and 44,832.31 is: 67,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,373.43 : 129,629.27 = 44,832.31 : x
  2. Step 2: Convert to fraction form
    86,373.43/129,629.27 = 44,832.31/x
  3. Step 3: Cross multiply
    86,373.43x = 129,629.27 × 44,832.31
  4. Step 4: Simplify right side
    86,373.43x = 5,811,579,393.55
  5. Step 5: Solve for x
    x = 5,811,579,393.55/86,373.43
  6. Step 6: Final answer
    x = 67,284.34

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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.