Home / 81,530.55-122,296.28-37,126.35

Finding the Fourth Proportional to 81,530.55, 122,296.28 and 37,126.35

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Solution

The fourth proportional to 81,530.55, 122,296.28 and 37,126.35 is: 55,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,530.55 : 122,296.28 = 37,126.35 : x
  2. Step 2: Convert to fraction form
    81,530.55/122,296.28 = 37,126.35/x
  3. Step 3: Cross multiply
    81,530.55x = 122,296.28 × 37,126.35
  4. Step 4: Simplify right side
    81,530.55x = 4,540,414,309.35
  5. Step 5: Solve for x
    x = 4,540,414,309.35/81,530.55
  6. Step 6: Final answer
    x = 55,689.73

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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.