Home / 82,942.20-124,314.84-47,809.26

Finding the Fourth Proportional to 82,942.20, 124,314.84 and 47,809.26

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Solution

The fourth proportional to 82,942.20, 124,314.84 and 47,809.26 is: 71,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,942.20 : 124,314.84 = 47,809.26 : x
  2. Step 2: Convert to fraction form
    82,942.20/124,314.84 = 47,809.26/x
  3. Step 3: Cross multiply
    82,942.20x = 124,314.84 × 47,809.26
  4. Step 4: Simplify right side
    82,942.20x = 5,943,400,507.42
  5. Step 5: Solve for x
    x = 5,943,400,507.42/82,942.20
  6. Step 6: Final answer
    x = 71,657.14

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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.