Home / 72,564.08-108,837.95-25,170.44

Finding the Fourth Proportional to 72,564.08, 108,837.95 and 25,170.44

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Solution

The fourth proportional to 72,564.08, 108,837.95 and 25,170.44 is: 37,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,564.08 : 108,837.95 = 25,170.44 : x
  2. Step 2: Convert to fraction form
    72,564.08/108,837.95 = 25,170.44/x
  3. Step 3: Cross multiply
    72,564.08x = 108,837.95 × 25,170.44
  4. Step 4: Simplify right side
    72,564.08x = 2,739,498,420.16
  5. Step 5: Solve for x
    x = 2,739,498,420.16/72,564.08
  6. Step 6: Final answer
    x = 37,752.82

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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.