Home / 101,725.04-152,567.40-82,118

Finding the Fourth Proportional to 101,725.04, 152,567.40 and 82,118

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Solution

The fourth proportional to 101,725.04, 152,567.40 and 82,118 is: 123,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,725.04 : 152,567.40 = 82,118 : x
  2. Step 2: Convert to fraction form
    101,725.04/152,567.40 = 82,118/x
  3. Step 3: Cross multiply
    101,725.04x = 152,567.40 × 82,118
  4. Step 4: Simplify right side
    101,725.04x = 12,528,529,753.20
  5. Step 5: Solve for x
    x = 12,528,529,753.20/101,725.04
  6. Step 6: Final answer
    x = 123,160.73

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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.