Home / 75,853.24-113,792.16-28,472.04

Finding the Fourth Proportional to 75,853.24, 113,792.16 and 28,472.04

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Solution

The fourth proportional to 75,853.24, 113,792.16 and 28,472.04 is: 42,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,853.24 : 113,792.16 = 28,472.04 : x
  2. Step 2: Convert to fraction form
    75,853.24/113,792.16 = 28,472.04/x
  3. Step 3: Cross multiply
    75,853.24x = 113,792.16 × 28,472.04
  4. Step 4: Simplify right side
    75,853.24x = 3,239,894,931.21
  5. Step 5: Solve for x
    x = 3,239,894,931.21/75,853.24
  6. Step 6: Final answer
    x = 42,712.68

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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.