Home / 124,023.72-186,031.38-53,903.04

Finding the Fourth Proportional to 124,023.72, 186,031.38 and 53,903.04

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Solution

The fourth proportional to 124,023.72, 186,031.38 and 53,903.04 is: 80,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,023.72 : 186,031.38 = 53,903.04 : x
  2. Step 2: Convert to fraction form
    124,023.72/186,031.38 = 53,903.04/x
  3. Step 3: Cross multiply
    124,023.72x = 186,031.38 × 53,903.04
  4. Step 4: Simplify right side
    124,023.72x = 10,027,656,917.40
  5. Step 5: Solve for x
    x = 10,027,656,917.40/124,023.72
  6. Step 6: Final answer
    x = 80,852.73

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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.