Home / 127,725.80-191,522.00-47,697.89

Finding the Fourth Proportional to 127,725.80, 191,522.00 and 47,697.89

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Solution

The fourth proportional to 127,725.80, 191,522.00 and 47,697.89 is: 71,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725.80 : 191,522.00 = 47,697.89 : x
  2. Step 2: Convert to fraction form
    127,725.80/191,522.00 = 47,697.89/x
  3. Step 3: Cross multiply
    127,725.80x = 191,522.00 × 47,697.89
  4. Step 4: Simplify right side
    127,725.80x = 9,135,194,450.21
  5. Step 5: Solve for x
    x = 9,135,194,450.21/127,725.80
  6. Step 6: Final answer
    x = 71,521.92

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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.