Home / 79,318.32-109,458.99-49,097.63

Finding the Fourth Proportional to 79,318.32, 109,458.99 and 49,097.63

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Solution

The fourth proportional to 79,318.32, 109,458.99 and 49,097.63 is: 67,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,318.32 : 109,458.99 = 49,097.63 : x
  2. Step 2: Convert to fraction form
    79,318.32/109,458.99 = 49,097.63/x
  3. Step 3: Cross multiply
    79,318.32x = 109,458.99 × 49,097.63
  4. Step 4: Simplify right side
    79,318.32x = 5,374,176,443.90
  5. Step 5: Solve for x
    x = 5,374,176,443.90/79,318.32
  6. Step 6: Final answer
    x = 67,754.54

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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.