Home / 52,026.87-78,040.35-12,584.03

Finding the Fourth Proportional to 52,026.87, 78,040.35 and 12,584.03

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Solution

The fourth proportional to 52,026.87, 78,040.35 and 12,584.03 is: 18,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,026.87 : 78,040.35 = 12,584.03 : x
  2. Step 2: Convert to fraction form
    52,026.87/78,040.35 = 12,584.03/x
  3. Step 3: Cross multiply
    52,026.87x = 78,040.35 × 12,584.03
  4. Step 4: Simplify right side
    52,026.87x = 982,061,715.41
  5. Step 5: Solve for x
    x = 982,061,715.41/52,026.87
  6. Step 6: Final answer
    x = 18,876.05

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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.