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Finding the Fourth Proportional to 90,888.89, 125,426.88 and 50,600.70

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Solution

The fourth proportional to 90,888.89, 125,426.88 and 50,600.70 is: 69,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,888.89 : 125,426.88 = 50,600.70 : x
  2. Step 2: Convert to fraction form
    90,888.89/125,426.88 = 50,600.70/x
  3. Step 3: Cross multiply
    90,888.89x = 125,426.88 × 50,600.70
  4. Step 4: Simplify right side
    90,888.89x = 6,346,687,926.82
  5. Step 5: Solve for x
    x = 6,346,687,926.82/90,888.89
  6. Step 6: Final answer
    x = 69,829.09

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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.