Home / 55,650.45-76,824.22-31,772.51

Finding the Fourth Proportional to 55,650.45, 76,824.22 and 31,772.51

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Solution

The fourth proportional to 55,650.45, 76,824.22 and 31,772.51 is: 43,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,650.45 : 76,824.22 = 31,772.51 : x
  2. Step 2: Convert to fraction form
    55,650.45/76,824.22 = 31,772.51/x
  3. Step 3: Cross multiply
    55,650.45x = 76,824.22 × 31,772.51
  4. Step 4: Simplify right side
    55,650.45x = 2,440,898,410.82
  5. Step 5: Solve for x
    x = 2,440,898,410.82/55,650.45
  6. Step 6: Final answer
    x = 43,861.25

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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.