Home / 109,972.88-151,722.96-62,225.72

Finding the Fourth Proportional to 109,972.88, 151,722.96 and 62,225.72

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Solution

The fourth proportional to 109,972.88, 151,722.96 and 62,225.72 is: 85,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,972.88 : 151,722.96 = 62,225.72 : x
  2. Step 2: Convert to fraction form
    109,972.88/151,722.96 = 62,225.72/x
  3. Step 3: Cross multiply
    109,972.88x = 151,722.96 × 62,225.72
  4. Step 4: Simplify right side
    109,972.88x = 9,441,070,426.53
  5. Step 5: Solve for x
    x = 9,441,070,426.53/109,972.88
  6. Step 6: Final answer
    x = 85,849.08

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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.