Home / 51,616.47-77,372.42-34,978.19

Finding the Fourth Proportional to 51,616.47, 77,372.42 and 34,978.19

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Solution

The fourth proportional to 51,616.47, 77,372.42 and 34,978.19 is: 52,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,616.47 : 77,372.42 = 34,978.19 : x
  2. Step 2: Convert to fraction form
    51,616.47/77,372.42 = 34,978.19/x
  3. Step 3: Cross multiply
    51,616.47x = 77,372.42 × 34,978.19
  4. Step 4: Simplify right side
    51,616.47x = 2,706,346,645.77
  5. Step 5: Solve for x
    x = 2,706,346,645.77/51,616.47
  6. Step 6: Final answer
    x = 52,431.84

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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.