Home / 72,265.85-108,324.65-27,875.15

Finding the Fourth Proportional to 72,265.85, 108,324.65 and 27,875.15

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Solution

The fourth proportional to 72,265.85, 108,324.65 and 27,875.15 is: 41,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,265.85 : 108,324.65 = 27,875.15 : x
  2. Step 2: Convert to fraction form
    72,265.85/108,324.65 = 27,875.15/x
  3. Step 3: Cross multiply
    72,265.85x = 108,324.65 × 27,875.15
  4. Step 4: Simplify right side
    72,265.85x = 3,019,565,186.45
  5. Step 5: Solve for x
    x = 3,019,565,186.45/72,265.85
  6. Step 6: Final answer
    x = 41,784.13

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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.