Home / 83,578.05-125,220.96-69,627.42

Finding the Fourth Proportional to 83,578.05, 125,220.96 and 69,627.42

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Solution

The fourth proportional to 83,578.05, 125,220.96 and 69,627.42 is: 104,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,578.05 : 125,220.96 = 69,627.42 : x
  2. Step 2: Convert to fraction form
    83,578.05/125,220.96 = 69,627.42/x
  3. Step 3: Cross multiply
    83,578.05x = 125,220.96 × 69,627.42
  4. Step 4: Simplify right side
    83,578.05x = 8,718,812,374.72
  5. Step 5: Solve for x
    x = 8,718,812,374.72/83,578.05
  6. Step 6: Final answer
    x = 104,319.40

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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.