Home / 84,441.05-126,620.67-34,501.31

Finding the Fourth Proportional to 84,441.05, 126,620.67 and 34,501.31

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Solution

The fourth proportional to 84,441.05, 126,620.67 and 34,501.31 is: 51,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,441.05 : 126,620.67 = 34,501.31 : x
  2. Step 2: Convert to fraction form
    84,441.05/126,620.67 = 34,501.31/x
  3. Step 3: Cross multiply
    84,441.05x = 126,620.67 × 34,501.31
  4. Step 4: Simplify right side
    84,441.05x = 4,368,578,988.08
  5. Step 5: Solve for x
    x = 4,368,578,988.08/84,441.05
  6. Step 6: Final answer
    x = 51,735.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.