Home / 52,381.24-78,572.72-49,722.84

Finding the Fourth Proportional to 52,381.24, 78,572.72 and 49,722.84

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Solution

The fourth proportional to 52,381.24, 78,572.72 and 49,722.84 is: 74,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,381.24 : 78,572.72 = 49,722.84 : x
  2. Step 2: Convert to fraction form
    52,381.24/78,572.72 = 49,722.84/x
  3. Step 3: Cross multiply
    52,381.24x = 78,572.72 × 49,722.84
  4. Step 4: Simplify right side
    52,381.24x = 3,906,858,784.92
  5. Step 5: Solve for x
    x = 3,906,858,784.92/52,381.24
  6. Step 6: Final answer
    x = 74,585.08

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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.