Home / 75,401.62-113,084.80-22,081.74

Finding the Fourth Proportional to 75,401.62, 113,084.80 and 22,081.74

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Solution

The fourth proportional to 75,401.62, 113,084.80 and 22,081.74 is: 33,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,401.62 : 113,084.80 = 22,081.74 : x
  2. Step 2: Convert to fraction form
    75,401.62/113,084.80 = 22,081.74/x
  3. Step 3: Cross multiply
    75,401.62x = 113,084.80 × 22,081.74
  4. Step 4: Simplify right side
    75,401.62x = 2,497,109,151.55
  5. Step 5: Solve for x
    x = 2,497,109,151.55/75,401.62
  6. Step 6: Final answer
    x = 33,117.45

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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.