Home / 112,861.24-169,369.76-38,989.24

Finding the Fourth Proportional to 112,861.24, 169,369.76 and 38,989.24

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Solution

The fourth proportional to 112,861.24, 169,369.76 and 38,989.24 is: 58,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,861.24 : 169,369.76 = 38,989.24 : x
  2. Step 2: Convert to fraction form
    112,861.24/169,369.76 = 38,989.24/x
  3. Step 3: Cross multiply
    112,861.24x = 169,369.76 × 38,989.24
  4. Step 4: Simplify right side
    112,861.24x = 6,603,598,221.38
  5. Step 5: Solve for x
    x = 6,603,598,221.38/112,861.24
  6. Step 6: Final answer
    x = 58,510.77

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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.