Home / 75,291.98-112,896.71-34,721.45

Finding the Fourth Proportional to 75,291.98, 112,896.71 and 34,721.45

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Solution

The fourth proportional to 75,291.98, 112,896.71 and 34,721.45 is: 52,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,291.98 : 112,896.71 = 34,721.45 : x
  2. Step 2: Convert to fraction form
    75,291.98/112,896.71 = 34,721.45/x
  3. Step 3: Cross multiply
    75,291.98x = 112,896.71 × 34,721.45
  4. Step 4: Simplify right side
    75,291.98x = 3,919,936,733.34
  5. Step 5: Solve for x
    x = 3,919,936,733.34/75,291.98
  6. Step 6: Final answer
    x = 52,063.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.