Home / 109,861.54-151,614.93-62,119.06

Finding the Fourth Proportional to 109,861.54, 151,614.93 and 62,119.06

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Solution

The fourth proportional to 109,861.54, 151,614.93 and 62,119.06 is: 85,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,861.54 : 151,614.93 = 62,119.06 : x
  2. Step 2: Convert to fraction form
    109,861.54/151,614.93 = 62,119.06/x
  3. Step 3: Cross multiply
    109,861.54x = 151,614.93 × 62,119.06
  4. Step 4: Simplify right side
    109,861.54x = 9,418,176,933.57
  5. Step 5: Solve for x
    x = 9,418,176,933.57/109,861.54
  6. Step 6: Final answer
    x = 85,727.70

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1.5x scale

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.