Home / 52,034.76-78,052.34-12,591.81

Finding the Fourth Proportional to 52,034.76, 78,052.34 and 12,591.81

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Solution

The fourth proportional to 52,034.76, 78,052.34 and 12,591.81 is: 18,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034.76 : 78,052.34 = 12,591.81 : x
  2. Step 2: Convert to fraction form
    52,034.76/78,052.34 = 12,591.81/x
  3. Step 3: Cross multiply
    52,034.76x = 78,052.34 × 12,591.81
  4. Step 4: Simplify right side
    52,034.76x = 982,820,235.34
  5. Step 5: Solve for x
    x = 982,820,235.34/52,034.76
  6. Step 6: Final answer
    x = 18,887.76

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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.