Home / 85,033.46-127,568.52-25,873.90

Finding the Fourth Proportional to 85,033.46, 127,568.52 and 25,873.90

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Solution

The fourth proportional to 85,033.46, 127,568.52 and 25,873.90 is: 38,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,033.46 : 127,568.52 = 25,873.90 : x
  2. Step 2: Convert to fraction form
    85,033.46/127,568.52 = 25,873.90/x
  3. Step 3: Cross multiply
    85,033.46x = 127,568.52 × 25,873.90
  4. Step 4: Simplify right side
    85,033.46x = 3,300,694,810.71
  5. Step 5: Solve for x
    x = 3,300,694,810.71/85,033.46
  6. Step 6: Final answer
    x = 38,816.42

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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.