Home / 112,696.16-155,520.33-62,395.16

Finding the Fourth Proportional to 112,696.16, 155,520.33 and 62,395.16

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Solution

The fourth proportional to 112,696.16, 155,520.33 and 62,395.16 is: 86,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,696.16 : 155,520.33 = 62,395.16 : x
  2. Step 2: Convert to fraction form
    112,696.16/155,520.33 = 62,395.16/x
  3. Step 3: Cross multiply
    112,696.16x = 155,520.33 × 62,395.16
  4. Step 4: Simplify right side
    112,696.16x = 9,703,715,096.00
  5. Step 5: Solve for x
    x = 9,703,715,096.00/112,696.16
  6. Step 6: Final answer
    x = 86,105.11

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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.