Home / 51,515.82-77,264.60-23,429.30

Finding the Fourth Proportional to 51,515.82, 77,264.60 and 23,429.30

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Solution

The fourth proportional to 51,515.82, 77,264.60 and 23,429.30 is: 35,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515.82 : 77,264.60 = 23,429.30 : x
  2. Step 2: Convert to fraction form
    51,515.82/77,264.60 = 23,429.30/x
  3. Step 3: Cross multiply
    51,515.82x = 77,264.60 × 23,429.30
  4. Step 4: Simplify right side
    51,515.82x = 1,810,254,989.31
  5. Step 5: Solve for x
    x = 1,810,254,989.31/51,515.82
  6. Step 6: Final answer
    x = 35,139.79

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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.