Home / 56,725.47-85,107.30-25,131.15

Finding the Fourth Proportional to 56,725.47, 85,107.30 and 25,131.15

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Solution

The fourth proportional to 56,725.47, 85,107.30 and 25,131.15 is: 37,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,725.47 : 85,107.30 = 25,131.15 : x
  2. Step 2: Convert to fraction form
    56,725.47/85,107.30 = 25,131.15/x
  3. Step 3: Cross multiply
    56,725.47x = 85,107.30 × 25,131.15
  4. Step 4: Simplify right side
    56,725.47x = 2,138,844,322.40
  5. Step 5: Solve for x
    x = 2,138,844,322.40/56,725.47
  6. Step 6: Final answer
    x = 37,705.18

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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.