Home / 79,152.11-109,232.39-43,345.52

Finding the Fourth Proportional to 79,152.11, 109,232.39 and 43,345.52

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Solution

The fourth proportional to 79,152.11, 109,232.39 and 43,345.52 is: 59,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152.11 : 109,232.39 = 43,345.52 : x
  2. Step 2: Convert to fraction form
    79,152.11/109,232.39 = 43,345.52/x
  3. Step 3: Cross multiply
    79,152.11x = 109,232.39 × 43,345.52
  4. Step 4: Simplify right side
    79,152.11x = 4,734,734,745.39
  5. Step 5: Solve for x
    x = 4,734,734,745.39/79,152.11
  6. Step 6: Final answer
    x = 59,818.17

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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.