Home / 57,108.94-78,799.40-36,963.02

Finding the Fourth Proportional to 57,108.94, 78,799.40 and 36,963.02

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Solution

The fourth proportional to 57,108.94, 78,799.40 and 36,963.02 is: 51,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,108.94 : 78,799.40 = 36,963.02 : x
  2. Step 2: Convert to fraction form
    57,108.94/78,799.40 = 36,963.02/x
  3. Step 3: Cross multiply
    57,108.94x = 78,799.40 × 36,963.02
  4. Step 4: Simplify right side
    57,108.94x = 2,912,663,948.98
  5. Step 5: Solve for x
    x = 2,912,663,948.98/57,108.94
  6. Step 6: Final answer
    x = 51,001.89

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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.