Home / 56,348.72-77,761.32-31,197.68

Finding the Fourth Proportional to 56,348.72, 77,761.32 and 31,197.68

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Solution

The fourth proportional to 56,348.72, 77,761.32 and 31,197.68 is: 43,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,348.72 : 77,761.32 = 31,197.68 : x
  2. Step 2: Convert to fraction form
    56,348.72/77,761.32 = 31,197.68/x
  3. Step 3: Cross multiply
    56,348.72x = 77,761.32 × 31,197.68
  4. Step 4: Simplify right side
    56,348.72x = 2,425,972,777.74
  5. Step 5: Solve for x
    x = 2,425,972,777.74/56,348.72
  6. Step 6: Final answer
    x = 43,052.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.