Home / 85,040.52-127,557.92-45,674.52

Finding the Fourth Proportional to 85,040.52, 127,557.92 and 45,674.52

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Solution

The fourth proportional to 85,040.52, 127,557.92 and 45,674.52 is: 68,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,040.52 : 127,557.92 = 45,674.52 : x
  2. Step 2: Convert to fraction form
    85,040.52/127,557.92 = 45,674.52/x
  3. Step 3: Cross multiply
    85,040.52x = 127,557.92 × 45,674.52
  4. Step 4: Simplify right side
    85,040.52x = 5,826,146,768.20
  5. Step 5: Solve for x
    x = 5,826,146,768.20/85,040.52
  6. Step 6: Final answer
    x = 68,510.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.