Home / 74,289.92-111,437.52-24,371.20

Finding the Fourth Proportional to 74,289.92, 111,437.52 and 24,371.20

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Solution

The fourth proportional to 74,289.92, 111,437.52 and 24,371.20 is: 36,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,289.92 : 111,437.52 = 24,371.20 : x
  2. Step 2: Convert to fraction form
    74,289.92/111,437.52 = 24,371.20/x
  3. Step 3: Cross multiply
    74,289.92x = 111,437.52 × 24,371.20
  4. Step 4: Simplify right side
    74,289.92x = 2,715,866,087.42
  5. Step 5: Solve for x
    x = 2,715,866,087.42/74,289.92
  6. Step 6: Final answer
    x = 36,557.67

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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.