Home / 79,183.58-109,275.10-45,191.39

Finding the Fourth Proportional to 79,183.58, 109,275.10 and 45,191.39

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Solution

The fourth proportional to 79,183.58, 109,275.10 and 45,191.39 is: 62,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,183.58 : 109,275.10 = 45,191.39 : x
  2. Step 2: Convert to fraction form
    79,183.58/109,275.10 = 45,191.39/x
  3. Step 3: Cross multiply
    79,183.58x = 109,275.10 × 45,191.39
  4. Step 4: Simplify right side
    79,183.58x = 4,938,293,661.39
  5. Step 5: Solve for x
    x = 4,938,293,661.39/79,183.58
  6. Step 6: Final answer
    x = 62,365.12

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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.