Home / 67,288.20-100,883.70-37,715.10

Finding the Fourth Proportional to 67,288.20, 100,883.70 and 37,715.10

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Solution

The fourth proportional to 67,288.20, 100,883.70 and 37,715.10 is: 56,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,288.20 : 100,883.70 = 37,715.10 : x
  2. Step 2: Convert to fraction form
    67,288.20/100,883.70 = 37,715.10/x
  3. Step 3: Cross multiply
    67,288.20x = 100,883.70 × 37,715.10
  4. Step 4: Simplify right side
    67,288.20x = 3,804,838,833.87
  5. Step 5: Solve for x
    x = 3,804,838,833.87/67,288.20
  6. Step 6: Final answer
    x = 56,545.41

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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.