Home / 94,849.12-142,243.12-52,749.28

Finding the Fourth Proportional to 94,849.12, 142,243.12 and 52,749.28

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Solution

The fourth proportional to 94,849.12, 142,243.12 and 52,749.28 is: 79,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,849.12 : 142,243.12 = 52,749.28 : x
  2. Step 2: Convert to fraction form
    94,849.12/142,243.12 = 52,749.28/x
  3. Step 3: Cross multiply
    94,849.12x = 142,243.12 × 52,749.28
  4. Step 4: Simplify right side
    94,849.12x = 7,503,222,164.95
  5. Step 5: Solve for x
    x = 7,503,222,164.95/94,849.12
  6. Step 6: Final answer
    x = 79,106.92

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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.