Home / 66,177.20-99,123.24-31,064.24

Finding the Fourth Proportional to 66,177.20, 99,123.24 and 31,064.24

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Solution

The fourth proportional to 66,177.20, 99,123.24 and 31,064.24 is: 46,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,177.20 : 99,123.24 = 31,064.24 : x
  2. Step 2: Convert to fraction form
    66,177.20/99,123.24 = 31,064.24/x
  3. Step 3: Cross multiply
    66,177.20x = 99,123.24 × 31,064.24
  4. Step 4: Simplify right side
    66,177.20x = 3,079,188,116.94
  5. Step 5: Solve for x
    x = 3,079,188,116.94/66,177.20
  6. Step 6: Final answer
    x = 46,529.44

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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.