Home / 83,701.47-125,551.51-33,780.80

Finding the Fourth Proportional to 83,701.47, 125,551.51 and 33,780.80

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Solution

The fourth proportional to 83,701.47, 125,551.51 and 33,780.80 is: 50,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,701.47 : 125,551.51 = 33,780.80 : x
  2. Step 2: Convert to fraction form
    83,701.47/125,551.51 = 33,780.80/x
  3. Step 3: Cross multiply
    83,701.47x = 125,551.51 × 33,780.80
  4. Step 4: Simplify right side
    83,701.47x = 4,241,230,449.01
  5. Step 5: Solve for x
    x = 4,241,230,449.01/83,701.47
  6. Step 6: Final answer
    x = 50,670.92

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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.