Home / 109,582.94-151,198.75-66,561.23

Finding the Fourth Proportional to 109,582.94, 151,198.75 and 66,561.23

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Solution

The fourth proportional to 109,582.94, 151,198.75 and 66,561.23 is: 91,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,582.94 : 151,198.75 = 66,561.23 : x
  2. Step 2: Convert to fraction form
    109,582.94/151,198.75 = 66,561.23/x
  3. Step 3: Cross multiply
    109,582.94x = 151,198.75 × 66,561.23
  4. Step 4: Simplify right side
    109,582.94x = 10,063,974,774.46
  5. Step 5: Solve for x
    x = 10,063,974,774.46/109,582.94
  6. Step 6: Final answer
    x = 91,838.88

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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.