Home / 45,885.28-68,813.33-31,188.64

Finding the Fourth Proportional to 45,885.28, 68,813.33 and 31,188.64

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Solution

The fourth proportional to 45,885.28, 68,813.33 and 31,188.64 is: 46,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,885.28 : 68,813.33 = 31,188.64 : x
  2. Step 2: Convert to fraction form
    45,885.28/68,813.33 = 31,188.64/x
  3. Step 3: Cross multiply
    45,885.28x = 68,813.33 × 31,188.64
  4. Step 4: Simplify right side
    45,885.28x = 2,146,194,082.51
  5. Step 5: Solve for x
    x = 2,146,194,082.51/45,885.28
  6. Step 6: Final answer
    x = 46,773.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.