Home / 85,057.17-117,391.80-51,084.42

Finding the Fourth Proportional to 85,057.17, 117,391.80 and 51,084.42

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Solution

The fourth proportional to 85,057.17, 117,391.80 and 51,084.42 is: 70,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,057.17 : 117,391.80 = 51,084.42 : x
  2. Step 2: Convert to fraction form
    85,057.17/117,391.80 = 51,084.42/x
  3. Step 3: Cross multiply
    85,057.17x = 117,391.80 × 51,084.42
  4. Step 4: Simplify right side
    85,057.17x = 5,996,892,015.76
  5. Step 5: Solve for x
    x = 5,996,892,015.76/85,057.17
  6. Step 6: Final answer
    x = 70,504.25

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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.