Home / 90,322.83-124,643.75-50,036.54

Finding the Fourth Proportional to 90,322.83, 124,643.75 and 50,036.54

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Solution

The fourth proportional to 90,322.83, 124,643.75 and 50,036.54 is: 69,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,322.83 : 124,643.75 = 50,036.54 : x
  2. Step 2: Convert to fraction form
    90,322.83/124,643.75 = 50,036.54/x
  3. Step 3: Cross multiply
    90,322.83x = 124,643.75 × 50,036.54
  4. Step 4: Simplify right side
    90,322.83x = 6,236,741,109.22
  5. Step 5: Solve for x
    x = 6,236,741,109.22/90,322.83
  6. Step 6: Final answer
    x = 69,049.44

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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.