Home / 55,695.71-76,860.21-31,822.31

Finding the Fourth Proportional to 55,695.71, 76,860.21 and 31,822.31

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Solution

The fourth proportional to 55,695.71, 76,860.21 and 31,822.31 is: 43,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,695.71 : 76,860.21 = 31,822.31 : x
  2. Step 2: Convert to fraction form
    55,695.71/76,860.21 = 31,822.31/x
  3. Step 3: Cross multiply
    55,695.71x = 76,860.21 × 31,822.31
  4. Step 4: Simplify right side
    55,695.71x = 2,445,869,044.98
  5. Step 5: Solve for x
    x = 2,445,869,044.98/55,695.71
  6. Step 6: Final answer
    x = 43,914.86

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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.