Home / 72,401.52-108,575.64-25,004.55

Finding the Fourth Proportional to 72,401.52, 108,575.64 and 25,004.55

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Solution

The fourth proportional to 72,401.52, 108,575.64 and 25,004.55 is: 37,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,401.52 : 108,575.64 = 25,004.55 : x
  2. Step 2: Convert to fraction form
    72,401.52/108,575.64 = 25,004.55/x
  3. Step 3: Cross multiply
    72,401.52x = 108,575.64 × 25,004.55
  4. Step 4: Simplify right side
    72,401.52x = 2,714,885,019.16
  5. Step 5: Solve for x
    x = 2,714,885,019.16/72,401.52
  6. Step 6: Final answer
    x = 37,497.62

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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.