Home / 90,213.48-124,464.26-52,456.68

Finding the Fourth Proportional to 90,213.48, 124,464.26 and 52,456.68

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Solution

The fourth proportional to 90,213.48, 124,464.26 and 52,456.68 is: 72,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,213.48 : 124,464.26 = 52,456.68 : x
  2. Step 2: Convert to fraction form
    90,213.48/124,464.26 = 52,456.68/x
  3. Step 3: Cross multiply
    90,213.48x = 124,464.26 × 52,456.68
  4. Step 4: Simplify right side
    90,213.48x = 6,528,981,858.26
  5. Step 5: Solve for x
    x = 6,528,981,858.26/90,213.48
  6. Step 6: Final answer
    x = 72,372.58

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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.