Home / 109,860.69-151,611.84-62,111.19

Finding the Fourth Proportional to 109,860.69, 151,611.84 and 62,111.19

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Solution

The fourth proportional to 109,860.69, 151,611.84 and 62,111.19 is: 85,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,860.69 : 151,611.84 = 62,111.19 : x
  2. Step 2: Convert to fraction form
    109,860.69/151,611.84 = 62,111.19/x
  3. Step 3: Cross multiply
    109,860.69x = 151,611.84 × 62,111.19
  4. Step 4: Simplify right side
    109,860.69x = 9,416,791,800.49
  5. Step 5: Solve for x
    x = 9,416,791,800.49/109,860.69
  6. Step 6: Final answer
    x = 85,715.75

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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.