Home / 127,444.08-175,894.56-73,761.78

Finding the Fourth Proportional to 127,444.08, 175,894.56 and 73,761.78

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Solution

The fourth proportional to 127,444.08, 175,894.56 and 73,761.78 is: 101,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,444.08 : 175,894.56 = 73,761.78 : x
  2. Step 2: Convert to fraction form
    127,444.08/175,894.56 = 73,761.78/x
  3. Step 3: Cross multiply
    127,444.08x = 175,894.56 × 73,761.78
  4. Step 4: Simplify right side
    127,444.08x = 12,974,295,837.92
  5. Step 5: Solve for x
    x = 12,974,295,837.92/127,444.08
  6. Step 6: Final answer
    x = 101,803.83

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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.