Home / 70,565.06-105,781.97-23,785.13

Finding the Fourth Proportional to 70,565.06, 105,781.97 and 23,785.13

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Solution

The fourth proportional to 70,565.06, 105,781.97 and 23,785.13 is: 35,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,565.06 : 105,781.97 = 23,785.13 : x
  2. Step 2: Convert to fraction form
    70,565.06/105,781.97 = 23,785.13/x
  3. Step 3: Cross multiply
    70,565.06x = 105,781.97 × 23,785.13
  4. Step 4: Simplify right side
    70,565.06x = 2,516,037,260.27
  5. Step 5: Solve for x
    x = 2,516,037,260.27/70,565.06
  6. Step 6: Final answer
    x = 35,655.57

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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.