Home / 68,606.19-94,675.23-39,931.89

Finding the Fourth Proportional to 68,606.19, 94,675.23 and 39,931.89

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Solution

The fourth proportional to 68,606.19, 94,675.23 and 39,931.89 is: 55,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,606.19 : 94,675.23 = 39,931.89 : x
  2. Step 2: Convert to fraction form
    68,606.19/94,675.23 = 39,931.89/x
  3. Step 3: Cross multiply
    68,606.19x = 94,675.23 × 39,931.89
  4. Step 4: Simplify right side
    68,606.19x = 3,780,560,515.05
  5. Step 5: Solve for x
    x = 3,780,560,515.05/68,606.19
  6. Step 6: Final answer
    x = 55,105.24

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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.