Home / 90,489.32-124,888.16-52,241.22

Finding the Fourth Proportional to 90,489.32, 124,888.16 and 52,241.22

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Solution

The fourth proportional to 90,489.32, 124,888.16 and 52,241.22 is: 72,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,489.32 : 124,888.16 = 52,241.22 : x
  2. Step 2: Convert to fraction form
    90,489.32/124,888.16 = 52,241.22/x
  3. Step 3: Cross multiply
    90,489.32x = 124,888.16 × 52,241.22
  4. Step 4: Simplify right side
    90,489.32x = 6,524,309,972.56
  5. Step 5: Solve for x
    x = 6,524,309,972.56/90,489.32
  6. Step 6: Final answer
    x = 72,100.33

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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.