Home / 62,763.26-86,615.08-34,470.78

Finding the Fourth Proportional to 62,763.26, 86,615.08 and 34,470.78

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Solution

The fourth proportional to 62,763.26, 86,615.08 and 34,470.78 is: 47,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,763.26 : 86,615.08 = 34,470.78 : x
  2. Step 2: Convert to fraction form
    62,763.26/86,615.08 = 34,470.78/x
  3. Step 3: Cross multiply
    62,763.26x = 86,615.08 × 34,470.78
  4. Step 4: Simplify right side
    62,763.26x = 2,985,689,367.36
  5. Step 5: Solve for x
    x = 2,985,689,367.36/62,763.26
  6. Step 6: Final answer
    x = 47,570.65

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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.