Home / 77,294.35-106,665.97-42,841.28

Finding the Fourth Proportional to 77,294.35, 106,665.97 and 42,841.28

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Solution

The fourth proportional to 77,294.35, 106,665.97 and 42,841.28 is: 59,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,294.35 : 106,665.97 = 42,841.28 : x
  2. Step 2: Convert to fraction form
    77,294.35/106,665.97 = 42,841.28/x
  3. Step 3: Cross multiply
    77,294.35x = 106,665.97 × 42,841.28
  4. Step 4: Simplify right side
    77,294.35x = 4,569,706,687.24
  5. Step 5: Solve for x
    x = 4,569,706,687.24/77,294.35
  6. Step 6: Final answer
    x = 59,120.84

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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.