Home / 87,018.66-130,396.77-64,727.46

Finding the Fourth Proportional to 87,018.66, 130,396.77 and 64,727.46

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Solution

The fourth proportional to 87,018.66, 130,396.77 and 64,727.46 is: 96,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,018.66 : 130,396.77 = 64,727.46 : x
  2. Step 2: Convert to fraction form
    87,018.66/130,396.77 = 64,727.46/x
  3. Step 3: Cross multiply
    87,018.66x = 130,396.77 × 64,727.46
  4. Step 4: Simplify right side
    87,018.66x = 8,440,251,714.30
  5. Step 5: Solve for x
    x = 8,440,251,714.30/87,018.66
  6. Step 6: Final answer
    x = 96,993.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.