Home / 91,079.31-125,689.20-50,793.12

Finding the Fourth Proportional to 91,079.31, 125,689.20 and 50,793.12

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Solution

The fourth proportional to 91,079.31, 125,689.20 and 50,793.12 is: 70,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,079.31 : 125,689.20 = 50,793.12 : x
  2. Step 2: Convert to fraction form
    91,079.31/125,689.20 = 50,793.12/x
  3. Step 3: Cross multiply
    91,079.31x = 125,689.20 × 50,793.12
  4. Step 4: Simplify right side
    91,079.31x = 6,384,145,989.86
  5. Step 5: Solve for x
    x = 6,384,145,989.86/91,079.31
  6. Step 6: Final answer
    x = 70,094.36

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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.