Home / 56,901.08-85,309.37-27,290.72

Finding the Fourth Proportional to 56,901.08, 85,309.37 and 27,290.72

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Solution

The fourth proportional to 56,901.08, 85,309.37 and 27,290.72 is: 40,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901.08 : 85,309.37 = 27,290.72 : x
  2. Step 2: Convert to fraction form
    56,901.08/85,309.37 = 27,290.72/x
  3. Step 3: Cross multiply
    56,901.08x = 85,309.37 × 27,290.72
  4. Step 4: Simplify right side
    56,901.08x = 2,328,153,993.59
  5. Step 5: Solve for x
    x = 2,328,153,993.59/56,901.08
  6. Step 6: Final answer
    x = 40,915.81

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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.