Home / 109,532.06-151,154.26-59,231.06

Finding the Fourth Proportional to 109,532.06, 151,154.26 and 59,231.06

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Solution

The fourth proportional to 109,532.06, 151,154.26 and 59,231.06 is: 81,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,532.06 : 151,154.26 = 59,231.06 : x
  2. Step 2: Convert to fraction form
    109,532.06/151,154.26 = 59,231.06/x
  3. Step 3: Cross multiply
    109,532.06x = 151,154.26 × 59,231.06
  4. Step 4: Simplify right side
    109,532.06x = 8,953,027,273.12
  5. Step 5: Solve for x
    x = 8,953,027,273.12/109,532.06
  6. Step 6: Final answer
    x = 81,738.87

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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.