Home / 65,781.23-98,671.61-23,661.24

Finding the Fourth Proportional to 65,781.23, 98,671.61 and 23,661.24

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Solution

The fourth proportional to 65,781.23, 98,671.61 and 23,661.24 is: 35,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,781.23 : 98,671.61 = 23,661.24 : x
  2. Step 2: Convert to fraction form
    65,781.23/98,671.61 = 23,661.24/x
  3. Step 3: Cross multiply
    65,781.23x = 98,671.61 × 23,661.24
  4. Step 4: Simplify right side
    65,781.23x = 2,334,692,645.40
  5. Step 5: Solve for x
    x = 2,334,692,645.40/65,781.23
  6. Step 6: Final answer
    x = 35,491.78

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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.