Home / 90,968.16-125,534.56-50,684.80

Finding the Fourth Proportional to 90,968.16, 125,534.56 and 50,684.80

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Solution

The fourth proportional to 90,968.16, 125,534.56 and 50,684.80 is: 69,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,968.16 : 125,534.56 = 50,684.80 : x
  2. Step 2: Convert to fraction form
    90,968.16/125,534.56 = 50,684.80/x
  3. Step 3: Cross multiply
    90,968.16x = 125,534.56 × 50,684.80
  4. Step 4: Simplify right side
    90,968.16x = 6,362,694,066.69
  5. Step 5: Solve for x
    x = 6,362,694,066.69/90,968.16
  6. Step 6: Final answer
    x = 69,944.19

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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.