Home / 136,778.67-205,179.75-48,024.54

Finding the Fourth Proportional to 136,778.67, 205,179.75 and 48,024.54

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Solution

The fourth proportional to 136,778.67, 205,179.75 and 48,024.54 is: 72,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,778.67 : 205,179.75 = 48,024.54 : x
  2. Step 2: Convert to fraction form
    136,778.67/205,179.75 = 48,024.54/x
  3. Step 3: Cross multiply
    136,778.67x = 205,179.75 × 48,024.54
  4. Step 4: Simplify right side
    136,778.67x = 9,853,663,111.07
  5. Step 5: Solve for x
    x = 9,853,663,111.07/136,778.67
  6. Step 6: Final answer
    x = 72,040.93

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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.