Home / 52,275.73-78,414.42-18,975.01

Finding the Fourth Proportional to 52,275.73, 78,414.42 and 18,975.01

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Solution

The fourth proportional to 52,275.73, 78,414.42 and 18,975.01 is: 28,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,275.73 : 78,414.42 = 18,975.01 : x
  2. Step 2: Convert to fraction form
    52,275.73/78,414.42 = 18,975.01/x
  3. Step 3: Cross multiply
    52,275.73x = 78,414.42 × 18,975.01
  4. Step 4: Simplify right side
    52,275.73x = 1,487,914,403.64
  5. Step 5: Solve for x
    x = 1,487,914,403.64/52,275.73
  6. Step 6: Final answer
    x = 28,462.81

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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.