Home / 69,871.19-96,422.00-38,040.08

Finding the Fourth Proportional to 69,871.19, 96,422.00 and 38,040.08

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Solution

The fourth proportional to 69,871.19, 96,422.00 and 38,040.08 is: 52,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871.19 : 96,422.00 = 38,040.08 : x
  2. Step 2: Convert to fraction form
    69,871.19/96,422.00 = 38,040.08/x
  3. Step 3: Cross multiply
    69,871.19x = 96,422.00 × 38,040.08
  4. Step 4: Simplify right side
    69,871.19x = 3,667,899,921.45
  5. Step 5: Solve for x
    x = 3,667,899,921.45/69,871.19
  6. Step 6: Final answer
    x = 52,495.17

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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.