Home / 85,119.40-117,460.18-46,871.56

Finding the Fourth Proportional to 85,119.40, 117,460.18 and 46,871.56

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Solution

The fourth proportional to 85,119.40, 117,460.18 and 46,871.56 is: 64,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,119.40 : 117,460.18 = 46,871.56 : x
  2. Step 2: Convert to fraction form
    85,119.40/117,460.18 = 46,871.56/x
  3. Step 3: Cross multiply
    85,119.40x = 117,460.18 × 46,871.56
  4. Step 4: Simplify right side
    85,119.40x = 5,505,541,874.48
  5. Step 5: Solve for x
    x = 5,505,541,874.48/85,119.40
  6. Step 6: Final answer
    x = 64,680.22

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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.