Home / 90,499.85-124,858.03-52,258.31

Finding the Fourth Proportional to 90,499.85, 124,858.03 and 52,258.31

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Solution

The fourth proportional to 90,499.85, 124,858.03 and 52,258.31 is: 72,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,499.85 : 124,858.03 = 52,258.31 : x
  2. Step 2: Convert to fraction form
    90,499.85/124,858.03 = 52,258.31/x
  3. Step 3: Cross multiply
    90,499.85x = 124,858.03 × 52,258.31
  4. Step 4: Simplify right side
    90,499.85x = 6,524,869,637.73
  5. Step 5: Solve for x
    x = 6,524,869,637.73/90,499.85
  6. Step 6: Final answer
    x = 72,098.13

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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.