Home / 52,154.48-78,246.30-17,118.74

Finding the Fourth Proportional to 52,154.48, 78,246.30 and 17,118.74

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Solution

The fourth proportional to 52,154.48, 78,246.30 and 17,118.74 is: 25,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,154.48 : 78,246.30 = 17,118.74 : x
  2. Step 2: Convert to fraction form
    52,154.48/78,246.30 = 17,118.74/x
  3. Step 3: Cross multiply
    52,154.48x = 78,246.30 × 17,118.74
  4. Step 4: Simplify right side
    52,154.48x = 1,339,478,325.47
  5. Step 5: Solve for x
    x = 1,339,478,325.47/52,154.48
  6. Step 6: Final answer
    x = 25,682.90

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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.