Home / 57,136.76-78,775.14-36,958.04

Finding the Fourth Proportional to 57,136.76, 78,775.14 and 36,958.04

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Solution

The fourth proportional to 57,136.76, 78,775.14 and 36,958.04 is: 50,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,136.76 : 78,775.14 = 36,958.04 : x
  2. Step 2: Convert to fraction form
    57,136.76/78,775.14 = 36,958.04/x
  3. Step 3: Cross multiply
    57,136.76x = 78,775.14 × 36,958.04
  4. Step 4: Simplify right side
    57,136.76x = 2,911,374,775.13
  5. Step 5: Solve for x
    x = 2,911,374,775.13/57,136.76
  6. Step 6: Final answer
    x = 50,954.50

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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.