Home / 52,718.40-78,979.19-35,200.53

Finding the Fourth Proportional to 52,718.40, 78,979.19 and 35,200.53

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Solution

The fourth proportional to 52,718.40, 78,979.19 and 35,200.53 is: 52,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,718.40 : 78,979.19 = 35,200.53 : x
  2. Step 2: Convert to fraction form
    52,718.40/78,979.19 = 35,200.53/x
  3. Step 3: Cross multiply
    52,718.40x = 78,979.19 × 35,200.53
  4. Step 4: Simplify right side
    52,718.40x = 2,780,109,170.97
  5. Step 5: Solve for x
    x = 2,780,109,170.97/52,718.40
  6. Step 6: Final answer
    x = 52,735.08

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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.