Home / 74,865.47-103,191.26-53,069.04

Finding the Fourth Proportional to 74,865.47, 103,191.26 and 53,069.04

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Solution

The fourth proportional to 74,865.47, 103,191.26 and 53,069.04 is: 73,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,865.47 : 103,191.26 = 53,069.04 : x
  2. Step 2: Convert to fraction form
    74,865.47/103,191.26 = 53,069.04/x
  3. Step 3: Cross multiply
    74,865.47x = 103,191.26 × 53,069.04
  4. Step 4: Simplify right side
    74,865.47x = 5,476,260,839.25
  5. Step 5: Solve for x
    x = 5,476,260,839.25/74,865.47
  6. Step 6: Final answer
    x = 73,148.02

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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.