Home / 90,590.22-135,873.07-34,444.50

Finding the Fourth Proportional to 90,590.22, 135,873.07 and 34,444.50

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Solution

The fourth proportional to 90,590.22, 135,873.07 and 34,444.50 is: 51,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,590.22 : 135,873.07 = 34,444.50 : x
  2. Step 2: Convert to fraction form
    90,590.22/135,873.07 = 34,444.50/x
  3. Step 3: Cross multiply
    90,590.22x = 135,873.07 × 34,444.50
  4. Step 4: Simplify right side
    90,590.22x = 4,680,079,959.62
  5. Step 5: Solve for x
    x = 4,680,079,959.62/90,590.22
  6. Step 6: Final answer
    x = 51,662.09

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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.