Home / 112,777.56-155,626.30-62,472.92

Finding the Fourth Proportional to 112,777.56, 155,626.30 and 62,472.92

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Solution

The fourth proportional to 112,777.56, 155,626.30 and 62,472.92 is: 86,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,777.56 : 155,626.30 = 62,472.92 : x
  2. Step 2: Convert to fraction form
    112,777.56/155,626.30 = 62,472.92/x
  3. Step 3: Cross multiply
    112,777.56x = 155,626.30 × 62,472.92
  4. Step 4: Simplify right side
    112,777.56x = 9,722,429,389.80
  5. Step 5: Solve for x
    x = 9,722,429,389.80/112,777.56
  6. Step 6: Final answer
    x = 86,208.90

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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.