Home / 90,732.93-125,211.33-50,445.42

Finding the Fourth Proportional to 90,732.93, 125,211.33 and 50,445.42

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Solution

The fourth proportional to 90,732.93, 125,211.33 and 50,445.42 is: 69,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,732.93 : 125,211.33 = 50,445.42 : x
  2. Step 2: Convert to fraction form
    90,732.93/125,211.33 = 50,445.42/x
  3. Step 3: Cross multiply
    90,732.93x = 125,211.33 × 50,445.42
  4. Step 4: Simplify right side
    90,732.93x = 6,316,338,130.61
  5. Step 5: Solve for x
    x = 6,316,338,130.61/90,732.93
  6. Step 6: Final answer
    x = 69,614.62

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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.