Home / 87,027.36-130,500.32-51,014.80

Finding the Fourth Proportional to 87,027.36, 130,500.32 and 51,014.80

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Solution

The fourth proportional to 87,027.36, 130,500.32 and 51,014.80 is: 76,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,027.36 : 130,500.32 = 51,014.80 : x
  2. Step 2: Convert to fraction form
    87,027.36/130,500.32 = 51,014.80/x
  3. Step 3: Cross multiply
    87,027.36x = 130,500.32 × 51,014.80
  4. Step 4: Simplify right side
    87,027.36x = 6,657,447,724.74
  5. Step 5: Solve for x
    x = 6,657,447,724.74/87,027.36
  6. Step 6: Final answer
    x = 76,498.33

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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.