Home / 68,869.31-95,038.40-38,652.26

Finding the Fourth Proportional to 68,869.31, 95,038.40 and 38,652.26

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Solution

The fourth proportional to 68,869.31, 95,038.40 and 38,652.26 is: 53,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,869.31 : 95,038.40 = 38,652.26 : x
  2. Step 2: Convert to fraction form
    68,869.31/95,038.40 = 38,652.26/x
  3. Step 3: Cross multiply
    68,869.31x = 95,038.40 × 38,652.26
  4. Step 4: Simplify right side
    68,869.31x = 3,673,448,946.78
  5. Step 5: Solve for x
    x = 3,673,448,946.78/68,869.31
  6. Step 6: Final answer
    x = 53,339.42

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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.