Home / 88,665.90-122,358.67-48,379.38

Finding the Fourth Proportional to 88,665.90, 122,358.67 and 48,379.38

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Solution

The fourth proportional to 88,665.90, 122,358.67 and 48,379.38 is: 66,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,665.90 : 122,358.67 = 48,379.38 : x
  2. Step 2: Convert to fraction form
    88,665.90/122,358.67 = 48,379.38/x
  3. Step 3: Cross multiply
    88,665.90x = 122,358.67 × 48,379.38
  4. Step 4: Simplify right side
    88,665.90x = 5,919,636,592.22
  5. Step 5: Solve for x
    x = 5,919,636,592.22/88,665.90
  6. Step 6: Final answer
    x = 66,763.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.