Home / 123,532.92-185,298.03-30,038.76

Finding the Fourth Proportional to 123,532.92, 185,298.03 and 30,038.76

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Solution

The fourth proportional to 123,532.92, 185,298.03 and 30,038.76 is: 45,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,532.92 : 185,298.03 = 30,038.76 : x
  2. Step 2: Convert to fraction form
    123,532.92/185,298.03 = 30,038.76/x
  3. Step 3: Cross multiply
    123,532.92x = 185,298.03 × 30,038.76
  4. Step 4: Simplify right side
    123,532.92x = 5,566,123,051.64
  5. Step 5: Solve for x
    x = 5,566,123,051.64/123,532.92
  6. Step 6: Final answer
    x = 45,057.81

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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.