Home / 52,292.54-78,471.01-20,697.23

Finding the Fourth Proportional to 52,292.54, 78,471.01 and 20,697.23

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Solution

The fourth proportional to 52,292.54, 78,471.01 and 20,697.23 is: 31,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,292.54 : 78,471.01 = 20,697.23 : x
  2. Step 2: Convert to fraction form
    52,292.54/78,471.01 = 20,697.23/x
  3. Step 3: Cross multiply
    52,292.54x = 78,471.01 × 20,697.23
  4. Step 4: Simplify right side
    52,292.54x = 1,624,132,098.20
  5. Step 5: Solve for x
    x = 1,624,132,098.20/52,292.54
  6. Step 6: Final answer
    x = 31,058.58

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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.