Home / 90,693.10-136,040.00-27,513.77

Finding the Fourth Proportional to 90,693.10, 136,040.00 and 27,513.77

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Solution

The fourth proportional to 90,693.10, 136,040.00 and 27,513.77 is: 41,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,693.10 : 136,040.00 = 27,513.77 : x
  2. Step 2: Convert to fraction form
    90,693.10/136,040.00 = 27,513.77/x
  3. Step 3: Cross multiply
    90,693.10x = 136,040.00 × 27,513.77
  4. Step 4: Simplify right side
    90,693.10x = 3,742,973,473.33
  5. Step 5: Solve for x
    x = 3,742,973,473.33/90,693.10
  6. Step 6: Final answer
    x = 41,270.76

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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.