Home / 90,634.08-125,073.36-50,346.24

Finding the Fourth Proportional to 90,634.08, 125,073.36 and 50,346.24

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Solution

The fourth proportional to 90,634.08, 125,073.36 and 50,346.24 is: 69,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,634.08 : 125,073.36 = 50,346.24 : x
  2. Step 2: Convert to fraction form
    90,634.08/125,073.36 = 50,346.24/x
  3. Step 3: Cross multiply
    90,634.08x = 125,073.36 × 50,346.24
  4. Step 4: Simplify right side
    90,634.08x = 6,296,973,400.17
  5. Step 5: Solve for x
    x = 6,296,973,400.17/90,634.08
  6. Step 6: Final answer
    x = 69,476.88

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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.