Home / 61,108.20-91,532.70-50,740.20

Finding the Fourth Proportional to 61,108.20, 91,532.70 and 50,740.20

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Solution

The fourth proportional to 61,108.20, 91,532.70 and 50,740.20 is: 76,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,108.20 : 91,532.70 = 50,740.20 : x
  2. Step 2: Convert to fraction form
    61,108.20/91,532.70 = 50,740.20/x
  3. Step 3: Cross multiply
    61,108.20x = 91,532.70 × 50,740.20
  4. Step 4: Simplify right side
    61,108.20x = 4,644,387,504.54
  5. Step 5: Solve for x
    x = 4,644,387,504.54/61,108.20
  6. Step 6: Final answer
    x = 76,002.69

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1.5x scale

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.