Home / 79,613.09-109,867.74-43,803.17

Finding the Fourth Proportional to 79,613.09, 109,867.74 and 43,803.17

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Solution

The fourth proportional to 79,613.09, 109,867.74 and 43,803.17 is: 60,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,613.09 : 109,867.74 = 43,803.17 : x
  2. Step 2: Convert to fraction form
    79,613.09/109,867.74 = 43,803.17/x
  3. Step 3: Cross multiply
    79,613.09x = 109,867.74 × 43,803.17
  4. Step 4: Simplify right side
    79,613.09x = 4,812,554,991.14
  5. Step 5: Solve for x
    x = 4,812,554,991.14/79,613.09
  6. Step 6: Final answer
    x = 60,449.29

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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.