Home / 90,780.73-125,275.60-50,493.62

Finding the Fourth Proportional to 90,780.73, 125,275.60 and 50,493.62

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Solution

The fourth proportional to 90,780.73, 125,275.60 and 50,493.62 is: 69,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,780.73 : 125,275.60 = 50,493.62 : x
  2. Step 2: Convert to fraction form
    90,780.73/125,275.60 = 50,493.62/x
  3. Step 3: Cross multiply
    90,780.73x = 125,275.60 × 50,493.62
  4. Step 4: Simplify right side
    90,780.73x = 6,325,618,541.67
  5. Step 5: Solve for x
    x = 6,325,618,541.67/90,780.73
  6. Step 6: Final answer
    x = 69,680.19

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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.