Home / 55,721.18-76,894.98-33,071.42

Finding the Fourth Proportional to 55,721.18, 76,894.98 and 33,071.42

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Solution

The fourth proportional to 55,721.18, 76,894.98 and 33,071.42 is: 45,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,721.18 : 76,894.98 = 33,071.42 : x
  2. Step 2: Convert to fraction form
    55,721.18/76,894.98 = 33,071.42/x
  3. Step 3: Cross multiply
    55,721.18x = 76,894.98 × 33,071.42
  4. Step 4: Simplify right side
    55,721.18x = 2,543,026,179.47
  5. Step 5: Solve for x
    x = 2,543,026,179.47/55,721.18
  6. Step 6: Final answer
    x = 45,638.41

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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.