Home / 79,398.09-109,568.52-43,587.18

Finding the Fourth Proportional to 79,398.09, 109,568.52 and 43,587.18

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Solution

The fourth proportional to 79,398.09, 109,568.52 and 43,587.18 is: 60,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,398.09 : 109,568.52 = 43,587.18 : x
  2. Step 2: Convert to fraction form
    79,398.09/109,568.52 = 43,587.18/x
  3. Step 3: Cross multiply
    79,398.09x = 109,568.52 × 43,587.18
  4. Step 4: Simplify right side
    79,398.09x = 4,775,782,803.57
  5. Step 5: Solve for x
    x = 4,775,782,803.57/79,398.09
  6. Step 6: Final answer
    x = 60,149.84

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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.