Home / 124,035.28-171,205.32-73,767.76

Finding the Fourth Proportional to 124,035.28, 171,205.32 and 73,767.76

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Solution

The fourth proportional to 124,035.28, 171,205.32 and 73,767.76 is: 101,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,035.28 : 171,205.32 = 73,767.76 : x
  2. Step 2: Convert to fraction form
    124,035.28/171,205.32 = 73,767.76/x
  3. Step 3: Cross multiply
    124,035.28x = 171,205.32 × 73,767.76
  4. Step 4: Simplify right side
    124,035.28x = 12,629,432,956.48
  5. Step 5: Solve for x
    x = 12,629,432,956.48/124,035.28
  6. Step 6: Final answer
    x = 101,821.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.