Home / 96,859.06-145,288.36-25,781.70

Finding the Fourth Proportional to 96,859.06, 145,288.36 and 25,781.70

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Solution

The fourth proportional to 96,859.06, 145,288.36 and 25,781.70 is: 38,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,859.06 : 145,288.36 = 25,781.70 : x
  2. Step 2: Convert to fraction form
    96,859.06/145,288.36 = 25,781.70/x
  3. Step 3: Cross multiply
    96,859.06x = 145,288.36 × 25,781.70
  4. Step 4: Simplify right side
    96,859.06x = 3,745,780,911.01
  5. Step 5: Solve for x
    x = 3,745,780,911.01/96,859.06
  6. Step 6: Final answer
    x = 38,672.49

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1.5x scale

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.