Home / 55,111.97-75,984.10-35,696.62

Finding the Fourth Proportional to 55,111.97, 75,984.10 and 35,696.62

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Solution

The fourth proportional to 55,111.97, 75,984.10 and 35,696.62 is: 49,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.97 : 75,984.10 = 35,696.62 : x
  2. Step 2: Convert to fraction form
    55,111.97/75,984.10 = 35,696.62/x
  3. Step 3: Cross multiply
    55,111.97x = 75,984.10 × 35,696.62
  4. Step 4: Simplify right side
    55,111.97x = 2,712,374,985.34
  5. Step 5: Solve for x
    x = 2,712,374,985.34/55,111.97
  6. Step 6: Final answer
    x = 49,215.71

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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.