Home / 90,795.86-125,247.09-54,488.02

Finding the Fourth Proportional to 90,795.86, 125,247.09 and 54,488.02

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Solution

The fourth proportional to 90,795.86, 125,247.09 and 54,488.02 is: 75,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,795.86 : 125,247.09 = 54,488.02 : x
  2. Step 2: Convert to fraction form
    90,795.86/125,247.09 = 54,488.02/x
  3. Step 3: Cross multiply
    90,795.86x = 125,247.09 × 54,488.02
  4. Step 4: Simplify right side
    90,795.86x = 6,824,465,944.86
  5. Step 5: Solve for x
    x = 6,824,465,944.86/90,795.86
  6. Step 6: Final answer
    x = 75,162.74

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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.