Home / 109,780.56-151,497.27-59,479.56

Finding the Fourth Proportional to 109,780.56, 151,497.27 and 59,479.56

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Solution

The fourth proportional to 109,780.56, 151,497.27 and 59,479.56 is: 82,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,780.56 : 151,497.27 = 59,479.56 : x
  2. Step 2: Convert to fraction form
    109,780.56/151,497.27 = 59,479.56/x
  3. Step 3: Cross multiply
    109,780.56x = 151,497.27 × 59,479.56
  4. Step 4: Simplify right side
    109,780.56x = 9,010,990,960.80
  5. Step 5: Solve for x
    x = 9,010,990,960.80/109,780.56
  6. Step 6: Final answer
    x = 82,081.85

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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.