Home / 85,515.66-118,001.39-47,270.04

Finding the Fourth Proportional to 85,515.66, 118,001.39 and 47,270.04

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Solution

The fourth proportional to 85,515.66, 118,001.39 and 47,270.04 is: 65,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,515.66 : 118,001.39 = 47,270.04 : x
  2. Step 2: Convert to fraction form
    85,515.66/118,001.39 = 47,270.04/x
  3. Step 3: Cross multiply
    85,515.66x = 118,001.39 × 47,270.04
  4. Step 4: Simplify right side
    85,515.66x = 5,577,930,676.15
  5. Step 5: Solve for x
    x = 5,577,930,676.15/85,515.66
  6. Step 6: Final answer
    x = 65,227.01

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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.