Home / 55,729.14-76,895.49-31,850.74

Finding the Fourth Proportional to 55,729.14, 76,895.49 and 31,850.74

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Solution

The fourth proportional to 55,729.14, 76,895.49 and 31,850.74 is: 43,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729.14 : 76,895.49 = 31,850.74 : x
  2. Step 2: Convert to fraction form
    55,729.14/76,895.49 = 31,850.74/x
  3. Step 3: Cross multiply
    55,729.14x = 76,895.49 × 31,850.74
  4. Step 4: Simplify right side
    55,729.14x = 2,449,178,259.16
  5. Step 5: Solve for x
    x = 2,449,178,259.16/55,729.14
  6. Step 6: Final answer
    x = 43,947.89

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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.