Home / 72,660.08-108,987.14-25,286.01

Finding the Fourth Proportional to 72,660.08, 108,987.14 and 25,286.01

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Solution

The fourth proportional to 72,660.08, 108,987.14 and 25,286.01 is: 37,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,660.08 : 108,987.14 = 25,286.01 : x
  2. Step 2: Convert to fraction form
    72,660.08/108,987.14 = 25,286.01/x
  3. Step 3: Cross multiply
    72,660.08x = 108,987.14 × 25,286.01
  4. Step 4: Simplify right side
    72,660.08x = 2,755,849,785.48
  5. Step 5: Solve for x
    x = 2,755,849,785.48/72,660.08
  6. Step 6: Final answer
    x = 37,927.98

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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.