Home / 69,631.77-96,081.71-39,818.01

Finding the Fourth Proportional to 69,631.77, 96,081.71 and 39,818.01

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Solution

The fourth proportional to 69,631.77, 96,081.71 and 39,818.01 is: 54,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,631.77 : 96,081.71 = 39,818.01 : x
  2. Step 2: Convert to fraction form
    69,631.77/96,081.71 = 39,818.01/x
  3. Step 3: Cross multiply
    69,631.77x = 96,081.71 × 39,818.01
  4. Step 4: Simplify right side
    69,631.77x = 3,825,782,290.51
  5. Step 5: Solve for x
    x = 3,825,782,290.51/69,631.77
  6. Step 6: Final answer
    x = 54,943.06

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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.