Home / 55,905.28-77,149.30-32,045.80

Finding the Fourth Proportional to 55,905.28, 77,149.30 and 32,045.80

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Solution

The fourth proportional to 55,905.28, 77,149.30 and 32,045.80 is: 44,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.28 : 77,149.30 = 32,045.80 : x
  2. Step 2: Convert to fraction form
    55,905.28/77,149.30 = 32,045.80/x
  3. Step 3: Cross multiply
    55,905.28x = 77,149.30 × 32,045.80
  4. Step 4: Simplify right side
    55,905.28x = 2,472,311,037.94
  5. Step 5: Solve for x
    x = 2,472,311,037.94/55,905.28
  6. Step 6: Final answer
    x = 44,223.21

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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.