Home / 75,116.90-103,731.57-48,305.97

Finding the Fourth Proportional to 75,116.90, 103,731.57 and 48,305.97

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Solution

The fourth proportional to 75,116.90, 103,731.57 and 48,305.97 is: 66,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.90 : 103,731.57 = 48,305.97 : x
  2. Step 2: Convert to fraction form
    75,116.90/103,731.57 = 48,305.97/x
  3. Step 3: Cross multiply
    75,116.90x = 103,731.57 × 48,305.97
  4. Step 4: Simplify right side
    75,116.90x = 5,010,854,108.47
  5. Step 5: Solve for x
    x = 5,010,854,108.47/75,116.90
  6. Step 6: Final answer
    x = 66,707.41

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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.