Home / 69,798.08-96,320.88-39,589.28

Finding the Fourth Proportional to 69,798.08, 96,320.88 and 39,589.28

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Solution

The fourth proportional to 69,798.08, 96,320.88 and 39,589.28 is: 54,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,798.08 : 96,320.88 = 39,589.28 : x
  2. Step 2: Convert to fraction form
    69,798.08/96,320.88 = 39,589.28/x
  3. Step 3: Cross multiply
    69,798.08x = 96,320.88 × 39,589.28
  4. Step 4: Simplify right side
    69,798.08x = 3,813,274,288.17
  5. Step 5: Solve for x
    x = 3,813,274,288.17/69,798.08
  6. Step 6: Final answer
    x = 54,632.94

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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.