Home / 62,865.60-86,747.40-34,569.60

Finding the Fourth Proportional to 62,865.60, 86,747.40 and 34,569.60

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Solution

The fourth proportional to 62,865.60, 86,747.40 and 34,569.60 is: 47,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,865.60 : 86,747.40 = 34,569.60 : x
  2. Step 2: Convert to fraction form
    62,865.60/86,747.40 = 34,569.60/x
  3. Step 3: Cross multiply
    62,865.60x = 86,747.40 × 34,569.60
  4. Step 4: Simplify right side
    62,865.60x = 2,998,822,919.04
  5. Step 5: Solve for x
    x = 2,998,822,919.04/62,865.60
  6. Step 6: Final answer
    x = 47,702.13

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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.