Home / 79,117.17-109,181.82-43,309.44

Finding the Fourth Proportional to 79,117.17, 109,181.82 and 43,309.44

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Solution

The fourth proportional to 79,117.17, 109,181.82 and 43,309.44 is: 59,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,117.17 : 109,181.82 = 43,309.44 : x
  2. Step 2: Convert to fraction form
    79,117.17/109,181.82 = 43,309.44/x
  3. Step 3: Cross multiply
    79,117.17x = 109,181.82 × 43,309.44
  4. Step 4: Simplify right side
    79,117.17x = 4,728,603,482.38
  5. Step 5: Solve for x
    x = 4,728,603,482.38/79,117.17
  6. Step 6: Final answer
    x = 59,767.10

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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.