Home / 87,634.04-120,928.14-53,628.42

Finding the Fourth Proportional to 87,634.04, 120,928.14 and 53,628.42

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Solution

The fourth proportional to 87,634.04, 120,928.14 and 53,628.42 is: 74,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634.04 : 120,928.14 = 53,628.42 : x
  2. Step 2: Convert to fraction form
    87,634.04/120,928.14 = 53,628.42/x
  3. Step 3: Cross multiply
    87,634.04x = 120,928.14 × 53,628.42
  4. Step 4: Simplify right side
    87,634.04x = 6,485,185,081.74
  5. Step 5: Solve for x
    x = 6,485,185,081.74/87,634.04
  6. Step 6: Final answer
    x = 74,003.04

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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.