Home / 74,715.84-112,074.12-22,126.32

Finding the Fourth Proportional to 74,715.84, 112,074.12 and 22,126.32

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Solution

The fourth proportional to 74,715.84, 112,074.12 and 22,126.32 is: 33,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,715.84 : 112,074.12 = 22,126.32 : x
  2. Step 2: Convert to fraction form
    74,715.84/112,074.12 = 22,126.32/x
  3. Step 3: Cross multiply
    74,715.84x = 112,074.12 × 22,126.32
  4. Step 4: Simplify right side
    74,715.84x = 2,479,787,842.84
  5. Step 5: Solve for x
    x = 2,479,787,842.84/74,715.84
  6. Step 6: Final answer
    x = 33,189.59

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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.