Home / 72,583.14-108,856.43-25,825.08

Finding the Fourth Proportional to 72,583.14, 108,856.43 and 25,825.08

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Solution

The fourth proportional to 72,583.14, 108,856.43 and 25,825.08 is: 38,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583.14 : 108,856.43 = 25,825.08 : x
  2. Step 2: Convert to fraction form
    72,583.14/108,856.43 = 25,825.08/x
  3. Step 3: Cross multiply
    72,583.14x = 108,856.43 × 25,825.08
  4. Step 4: Simplify right side
    72,583.14x = 2,811,226,013.26
  5. Step 5: Solve for x
    x = 2,811,226,013.26/72,583.14
  6. Step 6: Final answer
    x = 38,731.12

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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.