Home / 55,711.46-76,887.07-31,833.50

Finding the Fourth Proportional to 55,711.46, 76,887.07 and 31,833.50

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Solution

The fourth proportional to 55,711.46, 76,887.07 and 31,833.50 is: 43,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,711.46 : 76,887.07 = 31,833.50 : x
  2. Step 2: Convert to fraction form
    55,711.46/76,887.07 = 31,833.50/x
  3. Step 3: Cross multiply
    55,711.46x = 76,887.07 × 31,833.50
  4. Step 4: Simplify right side
    55,711.46x = 2,447,584,078.83
  5. Step 5: Solve for x
    x = 2,447,584,078.83/55,711.46
  6. Step 6: Final answer
    x = 43,933.22

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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.