Home / 127,626.78-191,467.84-38,877.96

Finding the Fourth Proportional to 127,626.78, 191,467.84 and 38,877.96

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Solution

The fourth proportional to 127,626.78, 191,467.84 and 38,877.96 is: 58,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,626.78 : 191,467.84 = 38,877.96 : x
  2. Step 2: Convert to fraction form
    127,626.78/191,467.84 = 38,877.96/x
  3. Step 3: Cross multiply
    127,626.78x = 191,467.84 × 38,877.96
  4. Step 4: Simplify right side
    127,626.78x = 7,443,879,024.81
  5. Step 5: Solve for x
    x = 7,443,879,024.81/127,626.78
  6. Step 6: Final answer
    x = 58,325.37

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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.