Home / 98,432.20-147,667.70-36,103.24

Finding the Fourth Proportional to 98,432.20, 147,667.70 and 36,103.24

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Solution

The fourth proportional to 98,432.20, 147,667.70 and 36,103.24 is: 54,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,432.20 : 147,667.70 = 36,103.24 : x
  2. Step 2: Convert to fraction form
    98,432.20/147,667.70 = 36,103.24/x
  3. Step 3: Cross multiply
    98,432.20x = 147,667.70 × 36,103.24
  4. Step 4: Simplify right side
    98,432.20x = 5,331,282,413.35
  5. Step 5: Solve for x
    x = 5,331,282,413.35/98,432.20
  6. Step 6: Final answer
    x = 54,161.98

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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.