Home / 55,780.32-83,710.80-32,375.52

Finding the Fourth Proportional to 55,780.32, 83,710.80 and 32,375.52

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Solution

The fourth proportional to 55,780.32, 83,710.80 and 32,375.52 is: 48,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780.32 : 83,710.80 = 32,375.52 : x
  2. Step 2: Convert to fraction form
    55,780.32/83,710.80 = 32,375.52/x
  3. Step 3: Cross multiply
    55,780.32x = 83,710.80 × 32,375.52
  4. Step 4: Simplify right side
    55,780.32x = 2,710,180,679.62
  5. Step 5: Solve for x
    x = 2,710,180,679.62/55,780.32
  6. Step 6: Final answer
    x = 48,586.68

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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.