Home / 90,019.75-124,227.27-52,296.43

Finding the Fourth Proportional to 90,019.75, 124,227.27 and 52,296.43

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Solution

The fourth proportional to 90,019.75, 124,227.27 and 52,296.43 is: 72,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,019.75 : 124,227.27 = 52,296.43 : x
  2. Step 2: Convert to fraction form
    90,019.75/124,227.27 = 52,296.43/x
  3. Step 3: Cross multiply
    90,019.75x = 124,227.27 × 52,296.43
  4. Step 4: Simplify right side
    90,019.75x = 6,496,642,729.65
  5. Step 5: Solve for x
    x = 6,496,642,729.65/90,019.75
  6. Step 6: Final answer
    x = 72,169.08

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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.