Home / 90,830.82-136,262.52-37,522.80

Finding the Fourth Proportional to 90,830.82, 136,262.52 and 37,522.80

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Solution

The fourth proportional to 90,830.82, 136,262.52 and 37,522.80 is: 56,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,830.82 : 136,262.52 = 37,522.80 : x
  2. Step 2: Convert to fraction form
    90,830.82/136,262.52 = 37,522.80/x
  3. Step 3: Cross multiply
    90,830.82x = 136,262.52 × 37,522.80
  4. Step 4: Simplify right side
    90,830.82x = 5,112,951,285.46
  5. Step 5: Solve for x
    x = 5,112,951,285.46/90,830.82
  6. Step 6: Final answer
    x = 56,290.93

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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.