Home / 87,522.46-120,783.39-53,530.33

Finding the Fourth Proportional to 87,522.46, 120,783.39 and 53,530.33

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Solution

The fourth proportional to 87,522.46, 120,783.39 and 53,530.33 is: 73,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,522.46 : 120,783.39 = 53,530.33 : x
  2. Step 2: Convert to fraction form
    87,522.46/120,783.39 = 53,530.33/x
  3. Step 3: Cross multiply
    87,522.46x = 120,783.39 × 53,530.33
  4. Step 4: Simplify right side
    87,522.46x = 6,465,574,725.22
  5. Step 5: Solve for x
    x = 6,465,574,725.22/87,522.46
  6. Step 6: Final answer
    x = 73,873.32

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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.