Home / 90,427.89-124,762.09-52,182.43

Finding the Fourth Proportional to 90,427.89, 124,762.09 and 52,182.43

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Solution

The fourth proportional to 90,427.89, 124,762.09 and 52,182.43 is: 71,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,427.89 : 124,762.09 = 52,182.43 : x
  2. Step 2: Convert to fraction form
    90,427.89/124,762.09 = 52,182.43/x
  3. Step 3: Cross multiply
    90,427.89x = 124,762.09 × 52,182.43
  4. Step 4: Simplify right side
    90,427.89x = 6,510,389,028.08
  5. Step 5: Solve for x
    x = 6,510,389,028.08/90,427.89
  6. Step 6: Final answer
    x = 71,995.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.