Home / 51,902.12-77,302.18-48,665.36

Finding the Fourth Proportional to 51,902.12, 77,302.18 and 48,665.36

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Solution

The fourth proportional to 51,902.12, 77,302.18 and 48,665.36 is: 72,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,902.12 : 77,302.18 = 48,665.36 : x
  2. Step 2: Convert to fraction form
    51,902.12/77,302.18 = 48,665.36/x
  3. Step 3: Cross multiply
    51,902.12x = 77,302.18 × 48,665.36
  4. Step 4: Simplify right side
    51,902.12x = 3,761,938,418.48
  5. Step 5: Solve for x
    x = 3,761,938,418.48/51,902.12
  6. Step 6: Final answer
    x = 72,481.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.