Home / 86,385.56-129,467.10-41,926.28

Finding the Fourth Proportional to 86,385.56, 129,467.10 and 41,926.28

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Solution

The fourth proportional to 86,385.56, 129,467.10 and 41,926.28 is: 62,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,385.56 : 129,467.10 = 41,926.28 : x
  2. Step 2: Convert to fraction form
    86,385.56/129,467.10 = 41,926.28/x
  3. Step 3: Cross multiply
    86,385.56x = 129,467.10 × 41,926.28
  4. Step 4: Simplify right side
    86,385.56x = 5,428,073,885.39
  5. Step 5: Solve for x
    x = 5,428,073,885.39/86,385.56
  6. Step 6: Final answer
    x = 62,835.43

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1.5x scale

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.