Home / 83,467.53-115,225.07-47,650.61

Finding the Fourth Proportional to 83,467.53, 115,225.07 and 47,650.61

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Solution

The fourth proportional to 83,467.53, 115,225.07 and 47,650.61 is: 65,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,467.53 : 115,225.07 = 47,650.61 : x
  2. Step 2: Convert to fraction form
    83,467.53/115,225.07 = 47,650.61/x
  3. Step 3: Cross multiply
    83,467.53x = 115,225.07 × 47,650.61
  4. Step 4: Simplify right side
    83,467.53x = 5,490,544,058.41
  5. Step 5: Solve for x
    x = 5,490,544,058.41/83,467.53
  6. Step 6: Final answer
    x = 65,780.60

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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.