Home / 84,899.40-127,265.10-37,540.20

Finding the Fourth Proportional to 84,899.40, 127,265.10 and 37,540.20

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Solution

The fourth proportional to 84,899.40, 127,265.10 and 37,540.20 is: 56,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899.40 : 127,265.10 = 37,540.20 : x
  2. Step 2: Convert to fraction form
    84,899.40/127,265.10 = 37,540.20/x
  3. Step 3: Cross multiply
    84,899.40x = 127,265.10 × 37,540.20
  4. Step 4: Simplify right side
    84,899.40x = 4,777,557,307.02
  5. Step 5: Solve for x
    x = 4,777,557,307.02/84,899.40
  6. Step 6: Final answer
    x = 56,273.16

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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.