Home / 109,860.68-151,611.82-62,111.18

Finding the Fourth Proportional to 109,860.68, 151,611.82 and 62,111.18

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Solution

The fourth proportional to 109,860.68, 151,611.82 and 62,111.18 is: 85,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,860.68 : 151,611.82 = 62,111.18 : x
  2. Step 2: Convert to fraction form
    109,860.68/151,611.82 = 62,111.18/x
  3. Step 3: Cross multiply
    109,860.68x = 151,611.82 × 62,111.18
  4. Step 4: Simplify right side
    109,860.68x = 9,416,787,973.53
  5. Step 5: Solve for x
    x = 9,416,787,973.53/109,860.68
  6. Step 6: Final answer
    x = 85,715.73

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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.