Home / 90,578.07-135,795.65-57,227.85

Finding the Fourth Proportional to 90,578.07, 135,795.65 and 57,227.85

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Solution

The fourth proportional to 90,578.07, 135,795.65 and 57,227.85 is: 85,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,578.07 : 135,795.65 = 57,227.85 : x
  2. Step 2: Convert to fraction form
    90,578.07/135,795.65 = 57,227.85/x
  3. Step 3: Cross multiply
    90,578.07x = 135,795.65 × 57,227.85
  4. Step 4: Simplify right side
    90,578.07x = 7,771,292,802.71
  5. Step 5: Solve for x
    x = 7,771,292,802.71/90,578.07
  6. Step 6: Final answer
    x = 85,796.63

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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.