Home / 91,049.52-125,638.20-55,248.24

Finding the Fourth Proportional to 91,049.52, 125,638.20 and 55,248.24

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Solution

The fourth proportional to 91,049.52, 125,638.20 and 55,248.24 is: 76,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,049.52 : 125,638.20 = 55,248.24 : x
  2. Step 2: Convert to fraction form
    91,049.52/125,638.20 = 55,248.24/x
  3. Step 3: Cross multiply
    91,049.52x = 125,638.20 × 55,248.24
  4. Step 4: Simplify right side
    91,049.52x = 6,941,289,426.77
  5. Step 5: Solve for x
    x = 6,941,289,426.77/91,049.52
  6. Step 6: Final answer
    x = 76,236.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.