Home / 87,442.82-130,973.76-53,606.44

Finding the Fourth Proportional to 87,442.82, 130,973.76 and 53,606.44

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Solution

The fourth proportional to 87,442.82, 130,973.76 and 53,606.44 is: 80,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,442.82 : 130,973.76 = 53,606.44 : x
  2. Step 2: Convert to fraction form
    87,442.82/130,973.76 = 53,606.44/x
  3. Step 3: Cross multiply
    87,442.82x = 130,973.76 × 53,606.44
  4. Step 4: Simplify right side
    87,442.82x = 7,021,037,007.01
  5. Step 5: Solve for x
    x = 7,021,037,007.01/87,442.82
  6. Step 6: Final answer
    x = 80,292.89

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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.