Home / 63,764.68-87,998.10-53,136.52

Finding the Fourth Proportional to 63,764.68, 87,998.10 and 53,136.52

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Solution

The fourth proportional to 63,764.68, 87,998.10 and 53,136.52 is: 73,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,764.68 : 87,998.10 = 53,136.52 : x
  2. Step 2: Convert to fraction form
    63,764.68/87,998.10 = 53,136.52/x
  3. Step 3: Cross multiply
    63,764.68x = 87,998.10 × 53,136.52
  4. Step 4: Simplify right side
    63,764.68x = 4,675,912,800.61
  5. Step 5: Solve for x
    x = 4,675,912,800.61/63,764.68
  6. Step 6: Final answer
    x = 73,330.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.