Home / 112,400.27-155,110.55-61,411.91

Finding the Fourth Proportional to 112,400.27, 155,110.55 and 61,411.91

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Solution

The fourth proportional to 112,400.27, 155,110.55 and 61,411.91 is: 84,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,400.27 : 155,110.55 = 61,411.91 : x
  2. Step 2: Convert to fraction form
    112,400.27/155,110.55 = 61,411.91/x
  3. Step 3: Cross multiply
    112,400.27x = 155,110.55 × 61,411.91
  4. Step 4: Simplify right side
    112,400.27x = 9,525,635,136.65
  5. Step 5: Solve for x
    x = 9,525,635,136.65/112,400.27
  6. Step 6: Final answer
    x = 84,747.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.