Home / 87,525.72-131,288.58-69,913.08

Finding the Fourth Proportional to 87,525.72, 131,288.58 and 69,913.08

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Solution

The fourth proportional to 87,525.72, 131,288.58 and 69,913.08 is: 104,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525.72 : 131,288.58 = 69,913.08 : x
  2. Step 2: Convert to fraction form
    87,525.72/131,288.58 = 69,913.08/x
  3. Step 3: Cross multiply
    87,525.72x = 131,288.58 × 69,913.08
  4. Step 4: Simplify right side
    87,525.72x = 9,178,788,996.63
  5. Step 5: Solve for x
    x = 9,178,788,996.63/87,525.72
  6. Step 6: Final answer
    x = 104,869.62

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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.