Home / 109,965.43-151,748.15-62,219.81

Finding the Fourth Proportional to 109,965.43, 151,748.15 and 62,219.81

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Solution

The fourth proportional to 109,965.43, 151,748.15 and 62,219.81 is: 85,860.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,965.43 : 151,748.15 = 62,219.81 : x
  2. Step 2: Convert to fraction form
    109,965.43/151,748.15 = 62,219.81/x
  3. Step 3: Cross multiply
    109,965.43x = 151,748.15 × 62,219.81
  4. Step 4: Simplify right side
    109,965.43x = 9,441,740,302.11
  5. Step 5: Solve for x
    x = 9,441,740,302.11/109,965.43
  6. Step 6: Final answer
    x = 85,860.99

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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.