Home / 55,111.47-75,983.41-35,696.11

Finding the Fourth Proportional to 55,111.47, 75,983.41 and 35,696.11

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Solution

The fourth proportional to 55,111.47, 75,983.41 and 35,696.11 is: 49,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.47 : 75,983.41 = 35,696.11 : x
  2. Step 2: Convert to fraction form
    55,111.47/75,983.41 = 35,696.11/x
  3. Step 3: Cross multiply
    55,111.47x = 75,983.41 × 35,696.11
  4. Step 4: Simplify right side
    55,111.47x = 2,712,312,312.61
  5. Step 5: Solve for x
    x = 2,712,312,312.61/55,111.47
  6. Step 6: Final answer
    x = 49,215.02

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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.