Home / 79,198.63-109,280.24-45,191.59

Finding the Fourth Proportional to 79,198.63, 109,280.24 and 45,191.59

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Solution

The fourth proportional to 79,198.63, 109,280.24 and 45,191.59 is: 62,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198.63 : 109,280.24 = 45,191.59 : x
  2. Step 2: Convert to fraction form
    79,198.63/109,280.24 = 45,191.59/x
  3. Step 3: Cross multiply
    79,198.63x = 109,280.24 × 45,191.59
  4. Step 4: Simplify right side
    79,198.63x = 4,938,547,471.49
  5. Step 5: Solve for x
    x = 4,938,547,471.49/79,198.63
  6. Step 6: Final answer
    x = 62,356.48

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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.