Home / 72,584.24-108,833.97-28,159.08

Finding the Fourth Proportional to 72,584.24, 108,833.97 and 28,159.08

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Solution

The fourth proportional to 72,584.24, 108,833.97 and 28,159.08 is: 42,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584.24 : 108,833.97 = 28,159.08 : x
  2. Step 2: Convert to fraction form
    72,584.24/108,833.97 = 28,159.08/x
  3. Step 3: Cross multiply
    72,584.24x = 108,833.97 × 28,159.08
  4. Step 4: Simplify right side
    72,584.24x = 3,064,664,467.95
  5. Step 5: Solve for x
    x = 3,064,664,467.95/72,584.24
  6. Step 6: Final answer
    x = 42,222.18

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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.