Home / 88,136.51-132,176.68-28,958.45

Finding the Fourth Proportional to 88,136.51, 132,176.68 and 28,958.45

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Solution

The fourth proportional to 88,136.51, 132,176.68 and 28,958.45 is: 43,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,136.51 : 132,176.68 = 28,958.45 : x
  2. Step 2: Convert to fraction form
    88,136.51/132,176.68 = 28,958.45/x
  3. Step 3: Cross multiply
    88,136.51x = 132,176.68 × 28,958.45
  4. Step 4: Simplify right side
    88,136.51x = 3,827,631,374.94
  5. Step 5: Solve for x
    x = 3,827,631,374.94/88,136.51
  6. Step 6: Final answer
    x = 43,428.44

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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.