Home / 51,436.96-77,102.64-25,109.32

Finding the Fourth Proportional to 51,436.96, 77,102.64 and 25,109.32

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Solution

The fourth proportional to 51,436.96, 77,102.64 and 25,109.32 is: 37,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.96 : 77,102.64 = 25,109.32 : x
  2. Step 2: Convert to fraction form
    51,436.96/77,102.64 = 25,109.32/x
  3. Step 3: Cross multiply
    51,436.96x = 77,102.64 × 25,109.32
  4. Step 4: Simplify right side
    51,436.96x = 1,935,994,860.60
  5. Step 5: Solve for x
    x = 1,935,994,860.60/51,436.96
  6. Step 6: Final answer
    x = 37,638.21

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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.