Home / 112,507.92-155,264.04-62,208.72

Finding the Fourth Proportional to 112,507.92, 155,264.04 and 62,208.72

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Solution

The fourth proportional to 112,507.92, 155,264.04 and 62,208.72 is: 85,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,507.92 : 155,264.04 = 62,208.72 : x
  2. Step 2: Convert to fraction form
    112,507.92/155,264.04 = 62,208.72/x
  3. Step 3: Cross multiply
    112,507.92x = 155,264.04 × 62,208.72
  4. Step 4: Simplify right side
    112,507.92x = 9,658,777,190.43
  5. Step 5: Solve for x
    x = 9,658,777,190.43/112,507.92
  6. Step 6: Final answer
    x = 85,849.75

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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.