Home / 87,564.36-120,816.51-53,560.42

Finding the Fourth Proportional to 87,564.36, 120,816.51 and 53,560.42

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Solution

The fourth proportional to 87,564.36, 120,816.51 and 53,560.42 is: 73,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,564.36 : 120,816.51 = 53,560.42 : x
  2. Step 2: Convert to fraction form
    87,564.36/120,816.51 = 53,560.42/x
  3. Step 3: Cross multiply
    87,564.36x = 120,816.51 × 53,560.42
  4. Step 4: Simplify right side
    87,564.36x = 6,470,983,152.44
  5. Step 5: Solve for x
    x = 6,470,983,152.44/87,564.36
  6. Step 6: Final answer
    x = 73,899.74

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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.