Home / 92,366.06-138,493.40-36,139.03

Finding the Fourth Proportional to 92,366.06, 138,493.40 and 36,139.03

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Solution

The fourth proportional to 92,366.06, 138,493.40 and 36,139.03 is: 54,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,366.06 : 138,493.40 = 36,139.03 : x
  2. Step 2: Convert to fraction form
    92,366.06/138,493.40 = 36,139.03/x
  3. Step 3: Cross multiply
    92,366.06x = 138,493.40 × 36,139.03
  4. Step 4: Simplify right side
    92,366.06x = 5,005,016,610.47
  5. Step 5: Solve for x
    x = 5,005,016,610.47/92,366.06
  6. Step 6: Final answer
    x = 54,186.75

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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.