Home / 112,845.06-155,731.41-62,545.14

Finding the Fourth Proportional to 112,845.06, 155,731.41 and 62,545.14

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Solution

The fourth proportional to 112,845.06, 155,731.41 and 62,545.14 is: 86,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,845.06 : 155,731.41 = 62,545.14 : x
  2. Step 2: Convert to fraction form
    112,845.06/155,731.41 = 62,545.14/x
  3. Step 3: Cross multiply
    112,845.06x = 155,731.41 × 62,545.14
  4. Step 4: Simplify right side
    112,845.06x = 9,740,242,840.85
  5. Step 5: Solve for x
    x = 9,740,242,840.85/112,845.06
  6. Step 6: Final answer
    x = 86,315.19

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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.