Home / 55,352.70-83,029.05-31,951.80

Finding the Fourth Proportional to 55,352.70, 83,029.05 and 31,951.80

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Solution

The fourth proportional to 55,352.70, 83,029.05 and 31,951.80 is: 47,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,352.70 : 83,029.05 = 31,951.80 : x
  2. Step 2: Convert to fraction form
    55,352.70/83,029.05 = 31,951.80/x
  3. Step 3: Cross multiply
    55,352.70x = 83,029.05 × 31,951.80
  4. Step 4: Simplify right side
    55,352.70x = 2,652,927,599.79
  5. Step 5: Solve for x
    x = 2,652,927,599.79/55,352.70
  6. Step 6: Final answer
    x = 47,927.70

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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.