Home / 77,219.60-115,792.29-32,822.28

Finding the Fourth Proportional to 77,219.60, 115,792.29 and 32,822.28

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Solution

The fourth proportional to 77,219.60, 115,792.29 and 32,822.28 is: 49,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,219.60 : 115,792.29 = 32,822.28 : x
  2. Step 2: Convert to fraction form
    77,219.60/115,792.29 = 32,822.28/x
  3. Step 3: Cross multiply
    77,219.60x = 115,792.29 × 32,822.28
  4. Step 4: Simplify right side
    77,219.60x = 3,800,566,964.22
  5. Step 5: Solve for x
    x = 3,800,566,964.22/77,219.60
  6. Step 6: Final answer
    x = 49,217.65

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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.