Home / 95,136.28-142,712.34-31,953.40

Finding the Fourth Proportional to 95,136.28, 142,712.34 and 31,953.40

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Solution

The fourth proportional to 95,136.28, 142,712.34 and 31,953.40 is: 47,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,136.28 : 142,712.34 = 31,953.40 : x
  2. Step 2: Convert to fraction form
    95,136.28/142,712.34 = 31,953.40/x
  3. Step 3: Cross multiply
    95,136.28x = 142,712.34 × 31,953.40
  4. Step 4: Simplify right side
    95,136.28x = 4,560,144,484.96
  5. Step 5: Solve for x
    x = 4,560,144,484.96/95,136.28
  6. Step 6: Final answer
    x = 47,932.76

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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.