Home / 90,114.12-124,352.44-49,825.48

Finding the Fourth Proportional to 90,114.12, 124,352.44 and 49,825.48

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Solution

The fourth proportional to 90,114.12, 124,352.44 and 49,825.48 is: 68,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,114.12 : 124,352.44 = 49,825.48 : x
  2. Step 2: Convert to fraction form
    90,114.12/124,352.44 = 49,825.48/x
  3. Step 3: Cross multiply
    90,114.12x = 124,352.44 × 49,825.48
  4. Step 4: Simplify right side
    90,114.12x = 6,195,919,950.02
  5. Step 5: Solve for x
    x = 6,195,919,950.02/90,114.12
  6. Step 6: Final answer
    x = 68,756.37

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1.5x scale

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.