Home / 98,876.30-148,372.76-36,590.54

Finding the Fourth Proportional to 98,876.30, 148,372.76 and 36,590.54

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Solution

The fourth proportional to 98,876.30, 148,372.76 and 36,590.54 is: 54,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,876.30 : 148,372.76 = 36,590.54 : x
  2. Step 2: Convert to fraction form
    98,876.30/148,372.76 = 36,590.54/x
  3. Step 3: Cross multiply
    98,876.30x = 148,372.76 × 36,590.54
  4. Step 4: Simplify right side
    98,876.30x = 5,429,038,759.30
  5. Step 5: Solve for x
    x = 5,429,038,759.30/98,876.30
  6. Step 6: Final answer
    x = 54,907.38

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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.