Home / 87,603.48-120,902.24-53,634.84

Finding the Fourth Proportional to 87,603.48, 120,902.24 and 53,634.84

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Solution

The fourth proportional to 87,603.48, 120,902.24 and 53,634.84 is: 74,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,603.48 : 120,902.24 = 53,634.84 : x
  2. Step 2: Convert to fraction form
    87,603.48/120,902.24 = 53,634.84/x
  3. Step 3: Cross multiply
    87,603.48x = 120,902.24 × 53,634.84
  4. Step 4: Simplify right side
    87,603.48x = 6,484,572,298.04
  5. Step 5: Solve for x
    x = 6,484,572,298.04/87,603.48
  6. Step 6: Final answer
    x = 74,021.86

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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.