Home / 109,780.26-151,496.78-59,479.26

Finding the Fourth Proportional to 109,780.26, 151,496.78 and 59,479.26

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Solution

The fourth proportional to 109,780.26, 151,496.78 and 59,479.26 is: 82,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,780.26 : 151,496.78 = 59,479.26 : x
  2. Step 2: Convert to fraction form
    109,780.26/151,496.78 = 59,479.26/x
  3. Step 3: Cross multiply
    109,780.26x = 151,496.78 × 59,479.26
  4. Step 4: Simplify right side
    109,780.26x = 9,010,916,069.39
  5. Step 5: Solve for x
    x = 9,010,916,069.39/109,780.26
  6. Step 6: Final answer
    x = 82,081.39

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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.