Home / 75,010.88-103,515.04-42,744.57

Finding the Fourth Proportional to 75,010.88, 103,515.04 and 42,744.57

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Solution

The fourth proportional to 75,010.88, 103,515.04 and 42,744.57 is: 58,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,010.88 : 103,515.04 = 42,744.57 : x
  2. Step 2: Convert to fraction form
    75,010.88/103,515.04 = 42,744.57/x
  3. Step 3: Cross multiply
    75,010.88x = 103,515.04 × 42,744.57
  4. Step 4: Simplify right side
    75,010.88x = 4,424,705,873.33
  5. Step 5: Solve for x
    x = 4,424,705,873.33/75,010.88
  6. Step 6: Final answer
    x = 58,987.52

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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.