Home / 86,225.11-129,087.24-52,844.20

Finding the Fourth Proportional to 86,225.11, 129,087.24 and 52,844.20

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Solution

The fourth proportional to 86,225.11, 129,087.24 and 52,844.20 is: 79,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,225.11 : 129,087.24 = 52,844.20 : x
  2. Step 2: Convert to fraction form
    86,225.11/129,087.24 = 52,844.20/x
  3. Step 3: Cross multiply
    86,225.11x = 129,087.24 × 52,844.20
  4. Step 4: Simplify right side
    86,225.11x = 6,821,511,928.01
  5. Step 5: Solve for x
    x = 6,821,511,928.01/86,225.11
  6. Step 6: Final answer
    x = 79,112.82

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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.