Home / 90,464.64-124,856.14-50,191.36

Finding the Fourth Proportional to 90,464.64, 124,856.14 and 50,191.36

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Solution

The fourth proportional to 90,464.64, 124,856.14 and 50,191.36 is: 69,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,464.64 : 124,856.14 = 50,191.36 : x
  2. Step 2: Convert to fraction form
    90,464.64/124,856.14 = 50,191.36/x
  3. Step 3: Cross multiply
    90,464.64x = 124,856.14 × 50,191.36
  4. Step 4: Simplify right side
    90,464.64x = 6,266,699,470.95
  5. Step 5: Solve for x
    x = 6,266,699,470.95/90,464.64
  6. Step 6: Final answer
    x = 69,272.36

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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.