Home / 83,703.04-125,481.66-33,781.12

Finding the Fourth Proportional to 83,703.04, 125,481.66 and 33,781.12

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Solution

The fourth proportional to 83,703.04, 125,481.66 and 33,781.12 is: 50,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,703.04 : 125,481.66 = 33,781.12 : x
  2. Step 2: Convert to fraction form
    83,703.04/125,481.66 = 33,781.12/x
  3. Step 3: Cross multiply
    83,703.04x = 125,481.66 × 33,781.12
  4. Step 4: Simplify right side
    83,703.04x = 4,238,911,014.26
  5. Step 5: Solve for x
    x = 4,238,911,014.26/83,703.04
  6. Step 6: Final answer
    x = 50,642.26

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1.5x scale

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.