Home / 74,413.59-102,708.45-42,600.84

Finding the Fourth Proportional to 74,413.59, 102,708.45 and 42,600.84

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Solution

The fourth proportional to 74,413.59, 102,708.45 and 42,600.84 is: 58,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,413.59 : 102,708.45 = 42,600.84 : x
  2. Step 2: Convert to fraction form
    74,413.59/102,708.45 = 42,600.84/x
  3. Step 3: Cross multiply
    74,413.59x = 102,708.45 × 42,600.84
  4. Step 4: Simplify right side
    74,413.59x = 4,375,466,245.10
  5. Step 5: Solve for x
    x = 4,375,466,245.10/74,413.59
  6. Step 6: Final answer
    x = 58,799.29

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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.