Home / 85,807.84-118,414.74-48,082.36

Finding the Fourth Proportional to 85,807.84, 118,414.74 and 48,082.36

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Solution

The fourth proportional to 85,807.84, 118,414.74 and 48,082.36 is: 66,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,807.84 : 118,414.74 = 48,082.36 : x
  2. Step 2: Convert to fraction form
    85,807.84/118,414.74 = 48,082.36/x
  3. Step 3: Cross multiply
    85,807.84x = 118,414.74 × 48,082.36
  4. Step 4: Simplify right side
    85,807.84x = 5,693,660,157.99
  5. Step 5: Solve for x
    x = 5,693,660,157.99/85,807.84
  6. Step 6: Final answer
    x = 66,353.61

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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.