Home / 75,310.84-112,967.07-22,720.78

Finding the Fourth Proportional to 75,310.84, 112,967.07 and 22,720.78

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Solution

The fourth proportional to 75,310.84, 112,967.07 and 22,720.78 is: 34,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,310.84 : 112,967.07 = 22,720.78 : x
  2. Step 2: Convert to fraction form
    75,310.84/112,967.07 = 22,720.78/x
  3. Step 3: Cross multiply
    75,310.84x = 112,967.07 × 22,720.78
  4. Step 4: Simplify right side
    75,310.84x = 2,566,699,944.71
  5. Step 5: Solve for x
    x = 2,566,699,944.71/75,310.84
  6. Step 6: Final answer
    x = 34,081.41

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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.