Home / 90,634.98-135,971.91-38,014.14

Finding the Fourth Proportional to 90,634.98, 135,971.91 and 38,014.14

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Solution

The fourth proportional to 90,634.98, 135,971.91 and 38,014.14 is: 57,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,634.98 : 135,971.91 = 38,014.14 : x
  2. Step 2: Convert to fraction form
    90,634.98/135,971.91 = 38,014.14/x
  3. Step 3: Cross multiply
    90,634.98x = 135,971.91 × 38,014.14
  4. Step 4: Simplify right side
    90,634.98x = 5,168,855,222.81
  5. Step 5: Solve for x
    x = 5,168,855,222.81/90,634.98
  6. Step 6: Final answer
    x = 57,029.36

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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.