Home / 90,739.77-125,224.35-50,458.26

Finding the Fourth Proportional to 90,739.77, 125,224.35 and 50,458.26

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Solution

The fourth proportional to 90,739.77, 125,224.35 and 50,458.26 is: 69,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,739.77 : 125,224.35 = 50,458.26 : x
  2. Step 2: Convert to fraction form
    90,739.77/125,224.35 = 50,458.26/x
  3. Step 3: Cross multiply
    90,739.77x = 125,224.35 × 50,458.26
  4. Step 4: Simplify right side
    90,739.77x = 6,318,602,810.63
  5. Step 5: Solve for x
    x = 6,318,602,810.63/90,739.77
  6. Step 6: Final answer
    x = 69,634.33

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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.