Home / 90,849.61-125,376.06-50,565.07

Finding the Fourth Proportional to 90,849.61, 125,376.06 and 50,565.07

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Solution

The fourth proportional to 90,849.61, 125,376.06 and 50,565.07 is: 69,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,849.61 : 125,376.06 = 50,565.07 : x
  2. Step 2: Convert to fraction form
    90,849.61/125,376.06 = 50,565.07/x
  3. Step 3: Cross multiply
    90,849.61x = 125,376.06 × 50,565.07
  4. Step 4: Simplify right side
    90,849.61x = 6,339,649,250.22
  5. Step 5: Solve for x
    x = 6,339,649,250.22/90,849.61
  6. Step 6: Final answer
    x = 69,781.80

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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.