Home / 75,299.17-112,799.31-51,548.35

Finding the Fourth Proportional to 75,299.17, 112,799.31 and 51,548.35

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Solution

The fourth proportional to 75,299.17, 112,799.31 and 51,548.35 is: 77,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,299.17 : 112,799.31 = 51,548.35 : x
  2. Step 2: Convert to fraction form
    75,299.17/112,799.31 = 51,548.35/x
  3. Step 3: Cross multiply
    75,299.17x = 112,799.31 × 51,548.35
  4. Step 4: Simplify right side
    75,299.17x = 5,814,618,311.64
  5. Step 5: Solve for x
    x = 5,814,618,311.64/75,299.17
  6. Step 6: Final answer
    x = 77,220.22

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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.