Home / 79,199.48-119,136.34-71,792.36

Finding the Fourth Proportional to 79,199.48, 119,136.34 and 71,792.36

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Solution

The fourth proportional to 79,199.48, 119,136.34 and 71,792.36 is: 107,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,199.48 : 119,136.34 = 71,792.36 : x
  2. Step 2: Convert to fraction form
    79,199.48/119,136.34 = 71,792.36/x
  3. Step 3: Cross multiply
    79,199.48x = 119,136.34 × 71,792.36
  4. Step 4: Simplify right side
    79,199.48x = 8,553,079,153.10
  5. Step 5: Solve for x
    x = 8,553,079,153.10/79,199.48
  6. Step 6: Final answer
    x = 107,994.13

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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.