Home / 90,793.86-125,244.33-54,486.02

Finding the Fourth Proportional to 90,793.86, 125,244.33 and 54,486.02

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Solution

The fourth proportional to 90,793.86, 125,244.33 and 54,486.02 is: 75,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,793.86 : 125,244.33 = 54,486.02 : x
  2. Step 2: Convert to fraction form
    90,793.86/125,244.33 = 54,486.02/x
  3. Step 3: Cross multiply
    90,793.86x = 125,244.33 × 54,486.02
  4. Step 4: Simplify right side
    90,793.86x = 6,824,064,443.04
  5. Step 5: Solve for x
    x = 6,824,064,443.04/90,793.86
  6. Step 6: Final answer
    x = 75,159.98

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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.