Home / 109,986.06-151,780.86-59,685.06

Finding the Fourth Proportional to 109,986.06, 151,780.86 and 59,685.06

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Solution

The fourth proportional to 109,986.06, 151,780.86 and 59,685.06 is: 82,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,986.06 : 151,780.86 = 59,685.06 : x
  2. Step 2: Convert to fraction form
    109,986.06/151,780.86 = 59,685.06/x
  3. Step 3: Cross multiply
    109,986.06x = 151,780.86 × 59,685.06
  4. Step 4: Simplify right side
    109,986.06x = 9,059,049,735.95
  5. Step 5: Solve for x
    x = 9,059,049,735.95/109,986.06
  6. Step 6: Final answer
    x = 82,365.44

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1.5x scale

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.