Home / 90,308.22-124,619.85-50,019.59

Finding the Fourth Proportional to 90,308.22, 124,619.85 and 50,019.59

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Solution

The fourth proportional to 90,308.22, 124,619.85 and 50,019.59 is: 69,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308.22 : 124,619.85 = 50,019.59 : x
  2. Step 2: Convert to fraction form
    90,308.22/124,619.85 = 50,019.59/x
  3. Step 3: Cross multiply
    90,308.22x = 124,619.85 × 50,019.59
  4. Step 4: Simplify right side
    90,308.22x = 6,233,433,179.76
  5. Step 5: Solve for x
    x = 6,233,433,179.76/90,308.22
  6. Step 6: Final answer
    x = 69,023.98

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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.