Home / 67,123.20-100,717.20-47,359.20

Finding the Fourth Proportional to 67,123.20, 100,717.20 and 47,359.20

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Solution

The fourth proportional to 67,123.20, 100,717.20 and 47,359.20 is: 71,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,123.20 : 100,717.20 = 47,359.20 : x
  2. Step 2: Convert to fraction form
    67,123.20/100,717.20 = 47,359.20/x
  3. Step 3: Cross multiply
    67,123.20x = 100,717.20 × 47,359.20
  4. Step 4: Simplify right side
    67,123.20x = 4,769,886,018.24
  5. Step 5: Solve for x
    x = 4,769,886,018.24/67,123.20
  6. Step 6: Final answer
    x = 71,061.66

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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.