Home / 74,819.64-112,109.99-52,372.92

Finding the Fourth Proportional to 74,819.64, 112,109.99 and 52,372.92

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Solution

The fourth proportional to 74,819.64, 112,109.99 and 52,372.92 is: 78,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,819.64 : 112,109.99 = 52,372.92 : x
  2. Step 2: Convert to fraction form
    74,819.64/112,109.99 = 52,372.92/x
  3. Step 3: Cross multiply
    74,819.64x = 112,109.99 × 52,372.92
  4. Step 4: Simplify right side
    74,819.64x = 5,871,527,275.61
  5. Step 5: Solve for x
    x = 5,871,527,275.61/74,819.64
  6. Step 6: Final answer
    x = 78,475.75

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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.