Home / 90,923.82-125,424.60-75,687.18

Finding the Fourth Proportional to 90,923.82, 125,424.60 and 75,687.18

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Solution

The fourth proportional to 90,923.82, 125,424.60 and 75,687.18 is: 104,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,923.82 : 125,424.60 = 75,687.18 : x
  2. Step 2: Convert to fraction form
    90,923.82/125,424.60 = 75,687.18/x
  3. Step 3: Cross multiply
    90,923.82x = 125,424.60 × 75,687.18
  4. Step 4: Simplify right side
    90,923.82x = 9,493,034,276.63
  5. Step 5: Solve for x
    x = 9,493,034,276.63/90,923.82
  6. Step 6: Final answer
    x = 104,406.46

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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.