Home / 62,780.80-94,083.72-47,180.20

Finding the Fourth Proportional to 62,780.80, 94,083.72 and 47,180.20

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Solution

The fourth proportional to 62,780.80, 94,083.72 and 47,180.20 is: 70,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,780.80 : 94,083.72 = 47,180.20 : x
  2. Step 2: Convert to fraction form
    62,780.80/94,083.72 = 47,180.20/x
  3. Step 3: Cross multiply
    62,780.80x = 94,083.72 × 47,180.20
  4. Step 4: Simplify right side
    62,780.80x = 4,438,888,726.34
  5. Step 5: Solve for x
    x = 4,438,888,726.34/62,780.80
  6. Step 6: Final answer
    x = 70,704.56

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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.