Home / 72,806.07-109,209.02-22,890.53

Finding the Fourth Proportional to 72,806.07, 109,209.02 and 22,890.53

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Solution

The fourth proportional to 72,806.07, 109,209.02 and 22,890.53 is: 34,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,806.07 : 109,209.02 = 22,890.53 : x
  2. Step 2: Convert to fraction form
    72,806.07/109,209.02 = 22,890.53/x
  3. Step 3: Cross multiply
    72,806.07x = 109,209.02 × 22,890.53
  4. Step 4: Simplify right side
    72,806.07x = 2,499,852,348.58
  5. Step 5: Solve for x
    x = 2,499,852,348.58/72,806.07
  6. Step 6: Final answer
    x = 34,335.77

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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.