Home / 79,250.33-109,376.66-49,045.39

Finding the Fourth Proportional to 79,250.33, 109,376.66 and 49,045.39

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Solution

The fourth proportional to 79,250.33, 109,376.66 and 49,045.39 is: 67,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,250.33 : 109,376.66 = 49,045.39 : x
  2. Step 2: Convert to fraction form
    79,250.33/109,376.66 = 49,045.39/x
  3. Step 3: Cross multiply
    79,250.33x = 109,376.66 × 49,045.39
  4. Step 4: Simplify right side
    79,250.33x = 5,364,420,795.77
  5. Step 5: Solve for x
    x = 5,364,420,795.77/79,250.33
  6. Step 6: Final answer
    x = 67,689.57

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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.