Home / 102,233.03-141,136.91-71,699.87

Finding the Fourth Proportional to 102,233.03, 141,136.91 and 71,699.87

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Solution

The fourth proportional to 102,233.03, 141,136.91 and 71,699.87 is: 98,984.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,233.03 : 141,136.91 = 71,699.87 : x
  2. Step 2: Convert to fraction form
    102,233.03/141,136.91 = 71,699.87/x
  3. Step 3: Cross multiply
    102,233.03x = 141,136.91 × 71,699.87
  4. Step 4: Simplify right side
    102,233.03x = 10,119,497,035.02
  5. Step 5: Solve for x
    x = 10,119,497,035.02/102,233.03
  6. Step 6: Final answer
    x = 98,984.62

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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.