Home / 83,094.66-124,634.61-20,765.10

Finding the Fourth Proportional to 83,094.66, 124,634.61 and 20,765.10

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Solution

The fourth proportional to 83,094.66, 124,634.61 and 20,765.10 is: 31,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,094.66 : 124,634.61 = 20,765.10 : x
  2. Step 2: Convert to fraction form
    83,094.66/124,634.61 = 20,765.10/x
  3. Step 3: Cross multiply
    83,094.66x = 124,634.61 × 20,765.10
  4. Step 4: Simplify right side
    83,094.66x = 2,588,050,140.11
  5. Step 5: Solve for x
    x = 2,588,050,140.11/83,094.66
  6. Step 6: Final answer
    x = 31,145.81

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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.