Home / 90,241.48-124,478.76-57,965.24

Finding the Fourth Proportional to 90,241.48, 124,478.76 and 57,965.24

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Solution

The fourth proportional to 90,241.48, 124,478.76 and 57,965.24 is: 79,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,241.48 : 124,478.76 = 57,965.24 : x
  2. Step 2: Convert to fraction form
    90,241.48/124,478.76 = 57,965.24/x
  3. Step 3: Cross multiply
    90,241.48x = 124,478.76 × 57,965.24
  4. Step 4: Simplify right side
    90,241.48x = 7,215,441,198.30
  5. Step 5: Solve for x
    x = 7,215,441,198.30/90,241.48
  6. Step 6: Final answer
    x = 79,957.04

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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.