Home / 69,943.29-96,521.59-38,112.11

Finding the Fourth Proportional to 69,943.29, 96,521.59 and 38,112.11

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Solution

The fourth proportional to 69,943.29, 96,521.59 and 38,112.11 is: 52,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,943.29 : 96,521.59 = 38,112.11 : x
  2. Step 2: Convert to fraction form
    69,943.29/96,521.59 = 38,112.11/x
  3. Step 3: Cross multiply
    69,943.29x = 96,521.59 × 38,112.11
  4. Step 4: Simplify right side
    69,943.29x = 3,678,641,455.45
  5. Step 5: Solve for x
    x = 3,678,641,455.45/69,943.29
  6. Step 6: Final answer
    x = 52,594.63

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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.