Home / 48,787.40-73,136.72-17,615.36

Finding the Fourth Proportional to 48,787.40, 73,136.72 and 17,615.36

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Solution

The fourth proportional to 48,787.40, 73,136.72 and 17,615.36 is: 26,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,787.40 : 73,136.72 = 17,615.36 : x
  2. Step 2: Convert to fraction form
    48,787.40/73,136.72 = 17,615.36/x
  3. Step 3: Cross multiply
    48,787.40x = 73,136.72 × 17,615.36
  4. Step 4: Simplify right side
    48,787.40x = 1,288,329,652.02
  5. Step 5: Solve for x
    x = 1,288,329,652.02/48,787.40
  6. Step 6: Final answer
    x = 26,407.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.