Home / 109,990.00-151,786.30-59,689.00

Finding the Fourth Proportional to 109,990.00, 151,786.30 and 59,689.00

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Solution

The fourth proportional to 109,990.00, 151,786.30 and 59,689.00 is: 82,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,990.00 : 151,786.30 = 59,689.00 : x
  2. Step 2: Convert to fraction form
    109,990.00/151,786.30 = 59,689.00/x
  3. Step 3: Cross multiply
    109,990.00x = 151,786.30 × 59,689.00
  4. Step 4: Simplify right side
    109,990.00x = 9,059,971,932.01
  5. Step 5: Solve for x
    x = 9,059,971,932.01/109,990.00
  6. Step 6: Final answer
    x = 82,370.87

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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.