Home / 90,837.10-125,356.03-50,552.56

Finding the Fourth Proportional to 90,837.10, 125,356.03 and 50,552.56

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Solution

The fourth proportional to 90,837.10, 125,356.03 and 50,552.56 is: 69,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,837.10 : 125,356.03 = 50,552.56 : x
  2. Step 2: Convert to fraction form
    90,837.10/125,356.03 = 50,552.56/x
  3. Step 3: Cross multiply
    90,837.10x = 125,356.03 × 50,552.56
  4. Step 4: Simplify right side
    90,837.10x = 6,337,067,788.17
  5. Step 5: Solve for x
    x = 6,337,067,788.17/90,837.10
  6. Step 6: Final answer
    x = 69,762.99

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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.