Home / 85,850.74-118,473.60-54,061.48

Finding the Fourth Proportional to 85,850.74, 118,473.60 and 54,061.48

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Solution

The fourth proportional to 85,850.74, 118,473.60 and 54,061.48 is: 74,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,850.74 : 118,473.60 = 54,061.48 : x
  2. Step 2: Convert to fraction form
    85,850.74/118,473.60 = 54,061.48/x
  3. Step 3: Cross multiply
    85,850.74x = 118,473.60 × 54,061.48
  4. Step 4: Simplify right side
    85,850.74x = 6,404,858,156.93
  5. Step 5: Solve for x
    x = 6,404,858,156.93/85,850.74
  6. Step 6: Final answer
    x = 74,604.58

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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.