Home / 75,113.90-103,657.21-43,282.52

Finding the Fourth Proportional to 75,113.90, 103,657.21 and 43,282.52

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Solution

The fourth proportional to 75,113.90, 103,657.21 and 43,282.52 is: 59,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,113.90 : 103,657.21 = 43,282.52 : x
  2. Step 2: Convert to fraction form
    75,113.90/103,657.21 = 43,282.52/x
  3. Step 3: Cross multiply
    75,113.90x = 103,657.21 × 43,282.52
  4. Step 4: Simplify right side
    75,113.90x = 4,486,545,264.97
  5. Step 5: Solve for x
    x = 4,486,545,264.97/75,113.90
  6. Step 6: Final answer
    x = 59,729.89

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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.