Home / 52,217.31-78,325.91-18,508.02

Finding the Fourth Proportional to 52,217.31, 78,325.91 and 18,508.02

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Solution

The fourth proportional to 52,217.31, 78,325.91 and 18,508.02 is: 27,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,217.31 : 78,325.91 = 18,508.02 : x
  2. Step 2: Convert to fraction form
    52,217.31/78,325.91 = 18,508.02/x
  3. Step 3: Cross multiply
    52,217.31x = 78,325.91 × 18,508.02
  4. Step 4: Simplify right side
    52,217.31x = 1,449,657,464.29
  5. Step 5: Solve for x
    x = 1,449,657,464.29/52,217.31
  6. Step 6: Final answer
    x = 27,762.01

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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.