Home / 82,725.12-124,128.68-32,804.14

Finding the Fourth Proportional to 82,725.12, 124,128.68 and 32,804.14

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Solution

The fourth proportional to 82,725.12, 124,128.68 and 32,804.14 is: 49,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,725.12 : 124,128.68 = 32,804.14 : x
  2. Step 2: Convert to fraction form
    82,725.12/124,128.68 = 32,804.14/x
  3. Step 3: Cross multiply
    82,725.12x = 124,128.68 × 32,804.14
  4. Step 4: Simplify right side
    82,725.12x = 4,071,934,596.74
  5. Step 5: Solve for x
    x = 4,071,934,596.74/82,725.12
  6. Step 6: Final answer
    x = 49,222.47

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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.