Home / 62,890.26-86,788.80-34,209.92

Finding the Fourth Proportional to 62,890.26, 86,788.80 and 34,209.92

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Solution

The fourth proportional to 62,890.26, 86,788.80 and 34,209.92 is: 47,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,890.26 : 86,788.80 = 34,209.92 : x
  2. Step 2: Convert to fraction form
    62,890.26/86,788.80 = 34,209.92/x
  3. Step 3: Cross multiply
    62,890.26x = 86,788.80 × 34,209.92
  4. Step 4: Simplify right side
    62,890.26x = 2,969,037,904.90
  5. Step 5: Solve for x
    x = 2,969,037,904.90/62,890.26
  6. Step 6: Final answer
    x = 47,209.82

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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.