Home / 94,749.47-142,198.45-66,100.10

Finding the Fourth Proportional to 94,749.47, 142,198.45 and 66,100.10

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Solution

The fourth proportional to 94,749.47, 142,198.45 and 66,100.10 is: 99,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,749.47 : 142,198.45 = 66,100.10 : x
  2. Step 2: Convert to fraction form
    94,749.47/142,198.45 = 66,100.10/x
  3. Step 3: Cross multiply
    94,749.47x = 142,198.45 × 66,100.10
  4. Step 4: Simplify right side
    94,749.47x = 9,399,331,955.09
  5. Step 5: Solve for x
    x = 9,399,331,955.09/94,749.47
  6. Step 6: Final answer
    x = 99,201.95

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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.