Home / 72,951.06-100,691.58-47,527.20

Finding the Fourth Proportional to 72,951.06, 100,691.58 and 47,527.20

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Solution

The fourth proportional to 72,951.06, 100,691.58 and 47,527.20 is: 65,599.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,951.06 : 100,691.58 = 47,527.20 : x
  2. Step 2: Convert to fraction form
    72,951.06/100,691.58 = 47,527.20/x
  3. Step 3: Cross multiply
    72,951.06x = 100,691.58 × 47,527.20
  4. Step 4: Simplify right side
    72,951.06x = 4,785,588,860.98
  5. Step 5: Solve for x
    x = 4,785,588,860.98/72,951.06
  6. Step 6: Final answer
    x = 65,599.99

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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.