Home / 80,085.36-110,531.34-47,824.68

Finding the Fourth Proportional to 80,085.36, 110,531.34 and 47,824.68

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Solution

The fourth proportional to 80,085.36, 110,531.34 and 47,824.68 is: 66,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,085.36 : 110,531.34 = 47,824.68 : x
  2. Step 2: Convert to fraction form
    80,085.36/110,531.34 = 47,824.68/x
  3. Step 3: Cross multiply
    80,085.36x = 110,531.34 × 47,824.68
  4. Step 4: Simplify right side
    80,085.36x = 5,286,125,965.47
  5. Step 5: Solve for x
    x = 5,286,125,965.47/80,085.36
  6. Step 6: Final answer
    x = 66,006.15

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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.