Home / 68,515.93-94,548.76-38,305.09

Finding the Fourth Proportional to 68,515.93, 94,548.76 and 38,305.09

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Solution

The fourth proportional to 68,515.93, 94,548.76 and 38,305.09 is: 52,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,515.93 : 94,548.76 = 38,305.09 : x
  2. Step 2: Convert to fraction form
    68,515.93/94,548.76 = 38,305.09/x
  3. Step 3: Cross multiply
    68,515.93x = 94,548.76 × 38,305.09
  4. Step 4: Simplify right side
    68,515.93x = 3,621,698,761.19
  5. Step 5: Solve for x
    x = 3,621,698,761.19/68,515.93
  6. Step 6: Final answer
    x = 52,859.22

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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.