Home / 56,718.20-85,077.30-25,614.20

Finding the Fourth Proportional to 56,718.20, 85,077.30 and 25,614.20

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Solution

The fourth proportional to 56,718.20, 85,077.30 and 25,614.20 is: 38,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718.20 : 85,077.30 = 25,614.20 : x
  2. Step 2: Convert to fraction form
    56,718.20/85,077.30 = 25,614.20/x
  3. Step 3: Cross multiply
    56,718.20x = 85,077.30 × 25,614.20
  4. Step 4: Simplify right side
    56,718.20x = 2,179,186,977.66
  5. Step 5: Solve for x
    x = 2,179,186,977.66/56,718.20
  6. Step 6: Final answer
    x = 38,421.30

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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.