Home / 112,995.10-155,935.16-62,012.58

Finding the Fourth Proportional to 112,995.10, 155,935.16 and 62,012.58

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Solution

The fourth proportional to 112,995.10, 155,935.16 and 62,012.58 is: 85,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,995.10 : 155,935.16 = 62,012.58 : x
  2. Step 2: Convert to fraction form
    112,995.10/155,935.16 = 62,012.58/x
  3. Step 3: Cross multiply
    112,995.10x = 155,935.16 × 62,012.58
  4. Step 4: Simplify right side
    112,995.10x = 9,669,940,769.59
  5. Step 5: Solve for x
    x = 9,669,940,769.59/112,995.10
  6. Step 6: Final answer
    x = 85,578.41

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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.