Home / 85,269.38-117,670.10-47,032.38

Finding the Fourth Proportional to 85,269.38, 117,670.10 and 47,032.38

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Solution

The fourth proportional to 85,269.38, 117,670.10 and 47,032.38 is: 64,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269.38 : 117,670.10 = 47,032.38 : x
  2. Step 2: Convert to fraction form
    85,269.38/117,670.10 = 47,032.38/x
  3. Step 3: Cross multiply
    85,269.38x = 117,670.10 × 47,032.38
  4. Step 4: Simplify right side
    85,269.38x = 5,534,304,622.68
  5. Step 5: Solve for x
    x = 5,534,304,622.68/85,269.38
  6. Step 6: Final answer
    x = 64,903.78

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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.