Home / 127,767.18-191,679.93-39,033.30

Finding the Fourth Proportional to 127,767.18, 191,679.93 and 39,033.30

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Solution

The fourth proportional to 127,767.18, 191,679.93 and 39,033.30 is: 58,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,767.18 : 191,679.93 = 39,033.30 : x
  2. Step 2: Convert to fraction form
    127,767.18/191,679.93 = 39,033.30/x
  3. Step 3: Cross multiply
    127,767.18x = 191,679.93 × 39,033.30
  4. Step 4: Simplify right side
    127,767.18x = 7,481,900,211.67
  5. Step 5: Solve for x
    x = 7,481,900,211.67/127,767.18
  6. Step 6: Final answer
    x = 58,558.86

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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.