Home / 85,995.11-118,669.25-47,757.08

Finding the Fourth Proportional to 85,995.11, 118,669.25 and 47,757.08

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Solution

The fourth proportional to 85,995.11, 118,669.25 and 47,757.08 is: 65,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,995.11 : 118,669.25 = 47,757.08 : x
  2. Step 2: Convert to fraction form
    85,995.11/118,669.25 = 47,757.08/x
  3. Step 3: Cross multiply
    85,995.11x = 118,669.25 × 47,757.08
  4. Step 4: Simplify right side
    85,995.11x = 5,667,296,865.79
  5. Step 5: Solve for x
    x = 5,667,296,865.79/85,995.11
  6. Step 6: Final answer
    x = 65,902.55

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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.