Home / 52,719.40-78,980.68-35,201.53

Finding the Fourth Proportional to 52,719.40, 78,980.68 and 35,201.53

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Solution

The fourth proportional to 52,719.40, 78,980.68 and 35,201.53 is: 52,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.40 : 78,980.68 = 35,201.53 : x
  2. Step 2: Convert to fraction form
    52,719.40/78,980.68 = 35,201.53/x
  3. Step 3: Cross multiply
    52,719.40x = 78,980.68 × 35,201.53
  4. Step 4: Simplify right side
    52,719.40x = 2,780,240,776.44
  5. Step 5: Solve for x
    x = 2,780,240,776.44/52,719.40
  6. Step 6: Final answer
    x = 52,736.58

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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.