Home / 109,934.54-151,713.38-64,611.86

Finding the Fourth Proportional to 109,934.54, 151,713.38 and 64,611.86

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Solution

The fourth proportional to 109,934.54, 151,713.38 and 64,611.86 is: 89,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,934.54 : 151,713.38 = 64,611.86 : x
  2. Step 2: Convert to fraction form
    109,934.54/151,713.38 = 64,611.86/x
  3. Step 3: Cross multiply
    109,934.54x = 151,713.38 × 64,611.86
  4. Step 4: Simplify right side
    109,934.54x = 9,802,484,209.50
  5. Step 5: Solve for x
    x = 9,802,484,209.50/109,934.54
  6. Step 6: Final answer
    x = 89,166.56

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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.