Home / 94,882.40-142,346.94-66,857.16

Finding the Fourth Proportional to 94,882.40, 142,346.94 and 66,857.16

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Solution

The fourth proportional to 94,882.40, 142,346.94 and 66,857.16 is: 100,302.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,882.40 : 142,346.94 = 66,857.16 : x
  2. Step 2: Convert to fraction form
    94,882.40/142,346.94 = 66,857.16/x
  3. Step 3: Cross multiply
    94,882.40x = 142,346.94 × 66,857.16
  4. Step 4: Simplify right side
    94,882.40x = 9,516,912,143.09
  5. Step 5: Solve for x
    x = 9,516,912,143.09/94,882.40
  6. Step 6: Final answer
    x = 100,302.19

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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.