Home / 90,326.48-135,496.73-27,141.67

Finding the Fourth Proportional to 90,326.48, 135,496.73 and 27,141.67

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Solution

The fourth proportional to 90,326.48, 135,496.73 and 27,141.67 is: 40,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,326.48 : 135,496.73 = 27,141.67 : x
  2. Step 2: Convert to fraction form
    90,326.48/135,496.73 = 27,141.67/x
  3. Step 3: Cross multiply
    90,326.48x = 135,496.73 × 27,141.67
  4. Step 4: Simplify right side
    90,326.48x = 3,677,607,531.74
  5. Step 5: Solve for x
    x = 3,677,607,531.74/90,326.48
  6. Step 6: Final answer
    x = 40,714.61

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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.