Home / 107,720.27-148,671.99-62,425.81

Finding the Fourth Proportional to 107,720.27, 148,671.99 and 62,425.81

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Solution

The fourth proportional to 107,720.27, 148,671.99 and 62,425.81 is: 86,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,720.27 : 148,671.99 = 62,425.81 : x
  2. Step 2: Convert to fraction form
    107,720.27/148,671.99 = 62,425.81/x
  3. Step 3: Cross multiply
    107,720.27x = 148,671.99 × 62,425.81
  4. Step 4: Simplify right side
    107,720.27x = 9,280,969,400.06
  5. Step 5: Solve for x
    x = 9,280,969,400.06/107,720.27
  6. Step 6: Final answer
    x = 86,158.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.