Home / 82,139.60-113,352.76-44,413.92

Finding the Fourth Proportional to 82,139.60, 113,352.76 and 44,413.92

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Solution

The fourth proportional to 82,139.60, 113,352.76 and 44,413.92 is: 61,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,139.60 : 113,352.76 = 44,413.92 : x
  2. Step 2: Convert to fraction form
    82,139.60/113,352.76 = 44,413.92/x
  3. Step 3: Cross multiply
    82,139.60x = 113,352.76 × 44,413.92
  4. Step 4: Simplify right side
    82,139.60x = 5,034,440,414.42
  5. Step 5: Solve for x
    x = 5,034,440,414.42/82,139.60
  6. Step 6: Final answer
    x = 61,291.27

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1.5x scale

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.