Home / 83,587.67-125,413.50-50,331.50

Finding the Fourth Proportional to 83,587.67, 125,413.50 and 50,331.50

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Solution

The fourth proportional to 83,587.67, 125,413.50 and 50,331.50 is: 75,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,587.67 : 125,413.50 = 50,331.50 : x
  2. Step 2: Convert to fraction form
    83,587.67/125,413.50 = 50,331.50/x
  3. Step 3: Cross multiply
    83,587.67x = 125,413.50 × 50,331.50
  4. Step 4: Simplify right side
    83,587.67x = 6,312,249,575.25
  5. Step 5: Solve for x
    x = 6,312,249,575.25/83,587.67
  6. Step 6: Final answer
    x = 75,516.52

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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.