Home / 51,409.08-77,157.36-36,654.12

Finding the Fourth Proportional to 51,409.08, 77,157.36 and 36,654.12

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Solution

The fourth proportional to 51,409.08, 77,157.36 and 36,654.12 is: 55,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,409.08 : 77,157.36 = 36,654.12 : x
  2. Step 2: Convert to fraction form
    51,409.08/77,157.36 = 36,654.12/x
  3. Step 3: Cross multiply
    51,409.08x = 77,157.36 × 36,654.12
  4. Step 4: Simplify right side
    51,409.08x = 2,828,135,132.32
  5. Step 5: Solve for x
    x = 2,828,135,132.32/51,409.08
  6. Step 6: Final answer
    x = 55,012.37

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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.