Home / 90,437.07-135,537.33-37,066.55

Finding the Fourth Proportional to 90,437.07, 135,537.33 and 37,066.55

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Solution

The fourth proportional to 90,437.07, 135,537.33 and 37,066.55 is: 55,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,437.07 : 135,537.33 = 37,066.55 : x
  2. Step 2: Convert to fraction form
    90,437.07/135,537.33 = 37,066.55/x
  3. Step 3: Cross multiply
    90,437.07x = 135,537.33 × 37,066.55
  4. Step 4: Simplify right side
    90,437.07x = 5,023,901,824.22
  5. Step 5: Solve for x
    x = 5,023,901,824.22/90,437.07
  6. Step 6: Final answer
    x = 55,551.36

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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.