Home / 74,314.47-111,471.78-34,871.62

Finding the Fourth Proportional to 74,314.47, 111,471.78 and 34,871.62

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Solution

The fourth proportional to 74,314.47, 111,471.78 and 34,871.62 is: 52,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314.47 : 111,471.78 = 34,871.62 : x
  2. Step 2: Convert to fraction form
    74,314.47/111,471.78 = 34,871.62/x
  3. Step 3: Cross multiply
    74,314.47x = 111,471.78 × 34,871.62
  4. Step 4: Simplify right side
    74,314.47x = 3,887,202,032.00
  5. Step 5: Solve for x
    x = 3,887,202,032.00/74,314.47
  6. Step 6: Final answer
    x = 52,307.47

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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.