Home / 103,540.73-155,197.49-59,070.51

Finding the Fourth Proportional to 103,540.73, 155,197.49 and 59,070.51

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Solution

The fourth proportional to 103,540.73, 155,197.49 and 59,070.51 is: 88,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,540.73 : 155,197.49 = 59,070.51 : x
  2. Step 2: Convert to fraction form
    103,540.73/155,197.49 = 59,070.51/x
  3. Step 3: Cross multiply
    103,540.73x = 155,197.49 × 59,070.51
  4. Step 4: Simplify right side
    103,540.73x = 9,167,594,589.67
  5. Step 5: Solve for x
    x = 9,167,594,589.67/103,540.73
  6. Step 6: Final answer
    x = 88,540.95

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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.