Home / 90,932.06-125,480.66-50,643.74

Finding the Fourth Proportional to 90,932.06, 125,480.66 and 50,643.74

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Solution

The fourth proportional to 90,932.06, 125,480.66 and 50,643.74 is: 69,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,932.06 : 125,480.66 = 50,643.74 : x
  2. Step 2: Convert to fraction form
    90,932.06/125,480.66 = 50,643.74/x
  3. Step 3: Cross multiply
    90,932.06x = 125,480.66 × 50,643.74
  4. Step 4: Simplify right side
    90,932.06x = 6,354,809,920.07
  5. Step 5: Solve for x
    x = 6,354,809,920.07/90,932.06
  6. Step 6: Final answer
    x = 69,885.25

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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.