Home / 74,921.42-112,344.95-27,534.60

Finding the Fourth Proportional to 74,921.42, 112,344.95 and 27,534.60

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Solution

The fourth proportional to 74,921.42, 112,344.95 and 27,534.60 is: 41,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,921.42 : 112,344.95 = 27,534.60 : x
  2. Step 2: Convert to fraction form
    74,921.42/112,344.95 = 27,534.60/x
  3. Step 3: Cross multiply
    74,921.42x = 112,344.95 × 27,534.60
  4. Step 4: Simplify right side
    74,921.42x = 3,093,373,329.11
  5. Step 5: Solve for x
    x = 3,093,373,329.11/74,921.42
  6. Step 6: Final answer
    x = 41,288.24

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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.