Home / 90,625.01-135,938.89-31,462.56

Finding the Fourth Proportional to 90,625.01, 135,938.89 and 31,462.56

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Solution

The fourth proportional to 90,625.01, 135,938.89 and 31,462.56 is: 47,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,625.01 : 135,938.89 = 31,462.56 : x
  2. Step 2: Convert to fraction form
    90,625.01/135,938.89 = 31,462.56/x
  3. Step 3: Cross multiply
    90,625.01x = 135,938.89 × 31,462.56
  4. Step 4: Simplify right side
    90,625.01x = 4,276,985,325.65
  5. Step 5: Solve for x
    x = 4,276,985,325.65/90,625.01
  6. Step 6: Final answer
    x = 47,194.32

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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.