Home / 52,428.75-78,616.40-17,355.75

Finding the Fourth Proportional to 52,428.75, 78,616.40 and 17,355.75

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Solution

The fourth proportional to 52,428.75, 78,616.40 and 17,355.75 is: 26,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428.75 : 78,616.40 = 17,355.75 : x
  2. Step 2: Convert to fraction form
    52,428.75/78,616.40 = 17,355.75/x
  3. Step 3: Cross multiply
    52,428.75x = 78,616.40 × 17,355.75
  4. Step 4: Simplify right side
    52,428.75x = 1,364,446,497.52
  5. Step 5: Solve for x
    x = 1,364,446,497.52/52,428.75
  6. Step 6: Final answer
    x = 26,024.78

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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.