Home / 75,136.33-112,716.81-35,680.12

Finding the Fourth Proportional to 75,136.33, 112,716.81 and 35,680.12

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Solution

The fourth proportional to 75,136.33, 112,716.81 and 35,680.12 is: 53,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,136.33 : 112,716.81 = 35,680.12 : x
  2. Step 2: Convert to fraction form
    75,136.33/112,716.81 = 35,680.12/x
  3. Step 3: Cross multiply
    75,136.33x = 112,716.81 × 35,680.12
  4. Step 4: Simplify right side
    75,136.33x = 4,021,748,564.83
  5. Step 5: Solve for x
    x = 4,021,748,564.83/75,136.33
  6. Step 6: Final answer
    x = 53,526.02

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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.