Home / 124,004.20-185,901.78-53,830.66

Finding the Fourth Proportional to 124,004.20, 185,901.78 and 53,830.66

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Solution

The fourth proportional to 124,004.20, 185,901.78 and 53,830.66 is: 80,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,004.20 : 185,901.78 = 53,830.66 : x
  2. Step 2: Convert to fraction form
    124,004.20/185,901.78 = 53,830.66/x
  3. Step 3: Cross multiply
    124,004.20x = 185,901.78 × 53,830.66
  4. Step 4: Simplify right side
    124,004.20x = 10,007,215,512.57
  5. Step 5: Solve for x
    x = 10,007,215,512.57/124,004.20
  6. Step 6: Final answer
    x = 80,700.62

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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.