Home / 90,527.82-135,791.76-57,460.38

Finding the Fourth Proportional to 90,527.82, 135,791.76 and 57,460.38

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Solution

The fourth proportional to 90,527.82, 135,791.76 and 57,460.38 is: 86,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.82 : 135,791.76 = 57,460.38 : x
  2. Step 2: Convert to fraction form
    90,527.82/135,791.76 = 57,460.38/x
  3. Step 3: Cross multiply
    90,527.82x = 135,791.76 × 57,460.38
  4. Step 4: Simplify right side
    90,527.82x = 7,802,646,130.47
  5. Step 5: Solve for x
    x = 7,802,646,130.47/90,527.82
  6. Step 6: Final answer
    x = 86,190.59

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1.5x scale

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.