Home / 81,987.03-113,170.42-48,006.44

Finding the Fourth Proportional to 81,987.03, 113,170.42 and 48,006.44

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Solution

The fourth proportional to 81,987.03, 113,170.42 and 48,006.44 is: 66,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,987.03 : 113,170.42 = 48,006.44 : x
  2. Step 2: Convert to fraction form
    81,987.03/113,170.42 = 48,006.44/x
  3. Step 3: Cross multiply
    81,987.03x = 113,170.42 × 48,006.44
  4. Step 4: Simplify right side
    81,987.03x = 5,432,908,864.73
  5. Step 5: Solve for x
    x = 5,432,908,864.73/81,987.03
  6. Step 6: Final answer
    x = 66,265.47

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1.5x scale

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.