Home / 62,772.48-86,626.08-34,479.60

Finding the Fourth Proportional to 62,772.48, 86,626.08 and 34,479.60

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Solution

The fourth proportional to 62,772.48, 86,626.08 and 34,479.60 is: 47,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,772.48 : 86,626.08 = 34,479.60 : x
  2. Step 2: Convert to fraction form
    62,772.48/86,626.08 = 34,479.60/x
  3. Step 3: Cross multiply
    62,772.48x = 86,626.08 × 34,479.60
  4. Step 4: Simplify right side
    62,772.48x = 2,986,832,587.97
  5. Step 5: Solve for x
    x = 2,986,832,587.97/62,772.48
  6. Step 6: Final answer
    x = 47,581.88

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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.