Home / 74,535.16-102,873.36-42,725.56

Finding the Fourth Proportional to 74,535.16, 102,873.36 and 42,725.56

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Solution

The fourth proportional to 74,535.16, 102,873.36 and 42,725.56 is: 58,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.16 : 102,873.36 = 42,725.56 : x
  2. Step 2: Convert to fraction form
    74,535.16/102,873.36 = 42,725.56/x
  3. Step 3: Cross multiply
    74,535.16x = 102,873.36 × 42,725.56
  4. Step 4: Simplify right side
    74,535.16x = 4,395,321,915.08
  5. Step 5: Solve for x
    x = 4,395,321,915.08/74,535.16
  6. Step 6: Final answer
    x = 58,969.78

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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.