Home / 56,790.27-85,076.22-31,754.40

Finding the Fourth Proportional to 56,790.27, 85,076.22 and 31,754.40

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Solution

The fourth proportional to 56,790.27, 85,076.22 and 31,754.40 is: 47,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,790.27 : 85,076.22 = 31,754.40 : x
  2. Step 2: Convert to fraction form
    56,790.27/85,076.22 = 31,754.40/x
  3. Step 3: Cross multiply
    56,790.27x = 85,076.22 × 31,754.40
  4. Step 4: Simplify right side
    56,790.27x = 2,701,544,320.37
  5. Step 5: Solve for x
    x = 2,701,544,320.37/56,790.27
  6. Step 6: Final answer
    x = 47,570.55

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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.