Home / 87,604.48-120,903.62-53,635.84

Finding the Fourth Proportional to 87,604.48, 120,903.62 and 53,635.84

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Solution

The fourth proportional to 87,604.48, 120,903.62 and 53,635.84 is: 74,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,604.48 : 120,903.62 = 53,635.84 : x
  2. Step 2: Convert to fraction form
    87,604.48/120,903.62 = 53,635.84/x
  3. Step 3: Cross multiply
    87,604.48x = 120,903.62 × 53,635.84
  4. Step 4: Simplify right side
    87,604.48x = 6,484,767,217.74
  5. Step 5: Solve for x
    x = 6,484,767,217.74/87,604.48
  6. Step 6: Final answer
    x = 74,023.24

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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.