Home / 87,011.44-130,560.36-34,458.64

Finding the Fourth Proportional to 87,011.44, 130,560.36 and 34,458.64

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Solution

The fourth proportional to 87,011.44, 130,560.36 and 34,458.64 is: 51,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,011.44 : 130,560.36 = 34,458.64 : x
  2. Step 2: Convert to fraction form
    87,011.44/130,560.36 = 34,458.64/x
  3. Step 3: Cross multiply
    87,011.44x = 130,560.36 × 34,458.64
  4. Step 4: Simplify right side
    87,011.44x = 4,498,932,443.51
  5. Step 5: Solve for x
    x = 4,498,932,443.51/87,011.44
  6. Step 6: Final answer
    x = 51,705.07

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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.