Home / 90,633.06-125,070.15-50,349.36

Finding the Fourth Proportional to 90,633.06, 125,070.15 and 50,349.36

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Solution

The fourth proportional to 90,633.06, 125,070.15 and 50,349.36 is: 69,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,633.06 : 125,070.15 = 50,349.36 : x
  2. Step 2: Convert to fraction form
    90,633.06/125,070.15 = 50,349.36/x
  3. Step 3: Cross multiply
    90,633.06x = 125,070.15 × 50,349.36
  4. Step 4: Simplify right side
    90,633.06x = 6,297,202,007.60
  5. Step 5: Solve for x
    x = 6,297,202,007.60/90,633.06
  6. Step 6: Final answer
    x = 69,480.19

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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.