Home / 55,658.28-83,500.02-31,976.76

Finding the Fourth Proportional to 55,658.28, 83,500.02 and 31,976.76

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Solution

The fourth proportional to 55,658.28, 83,500.02 and 31,976.76 is: 47,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658.28 : 83,500.02 = 31,976.76 : x
  2. Step 2: Convert to fraction form
    55,658.28/83,500.02 = 31,976.76/x
  3. Step 3: Cross multiply
    55,658.28x = 83,500.02 × 31,976.76
  4. Step 4: Simplify right side
    55,658.28x = 2,670,060,099.54
  5. Step 5: Solve for x
    x = 2,670,060,099.54/55,658.28
  6. Step 6: Final answer
    x = 47,972.38

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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.