Home / 94,869.78-130,912.44-52,428.21

Finding the Fourth Proportional to 94,869.78, 130,912.44 and 52,428.21

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Solution

The fourth proportional to 94,869.78, 130,912.44 and 52,428.21 is: 72,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,869.78 : 130,912.44 = 52,428.21 : x
  2. Step 2: Convert to fraction form
    94,869.78/130,912.44 = 52,428.21/x
  3. Step 3: Cross multiply
    94,869.78x = 130,912.44 × 52,428.21
  4. Step 4: Simplify right side
    94,869.78x = 6,863,504,895.93
  5. Step 5: Solve for x
    x = 6,863,504,895.93/94,869.78
  6. Step 6: Final answer
    x = 72,346.59

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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.