Home / 61,631.15-85,049.60-34,772.96

Finding the Fourth Proportional to 61,631.15, 85,049.60 and 34,772.96

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Solution

The fourth proportional to 61,631.15, 85,049.60 and 34,772.96 is: 47,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,631.15 : 85,049.60 = 34,772.96 : x
  2. Step 2: Convert to fraction form
    61,631.15/85,049.60 = 34,772.96/x
  3. Step 3: Cross multiply
    61,631.15x = 85,049.60 × 34,772.96
  4. Step 4: Simplify right side
    61,631.15x = 2,957,426,377.58
  5. Step 5: Solve for x
    x = 2,957,426,377.58/61,631.15
  6. Step 6: Final answer
    x = 47,985.91

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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.