Home / 90,789.48-125,304.84-52,550.10

Finding the Fourth Proportional to 90,789.48, 125,304.84 and 52,550.10

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Solution

The fourth proportional to 90,789.48, 125,304.84 and 52,550.10 is: 72,528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,789.48 : 125,304.84 = 52,550.10 : x
  2. Step 2: Convert to fraction form
    90,789.48/125,304.84 = 52,550.10/x
  3. Step 3: Cross multiply
    90,789.48x = 125,304.84 × 52,550.10
  4. Step 4: Simplify right side
    90,789.48x = 6,584,781,872.48
  5. Step 5: Solve for x
    x = 6,584,781,872.48/90,789.48
  6. Step 6: Final answer
    x = 72,528.03

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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.