Home / 125,113.72-172,653.22-68,523.88

Finding the Fourth Proportional to 125,113.72, 172,653.22 and 68,523.88

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Solution

The fourth proportional to 125,113.72, 172,653.22 and 68,523.88 is: 94,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,113.72 : 172,653.22 = 68,523.88 : x
  2. Step 2: Convert to fraction form
    125,113.72/172,653.22 = 68,523.88/x
  3. Step 3: Cross multiply
    125,113.72x = 172,653.22 × 68,523.88
  4. Step 4: Simplify right side
    125,113.72x = 11,830,868,528.89
  5. Step 5: Solve for x
    x = 11,830,868,528.89/125,113.72
  6. Step 6: Final answer
    x = 94,560.92

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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.