Home / 115,324.60-172,986.90-62,836.60

Finding the Fourth Proportional to 115,324.60, 172,986.90 and 62,836.60

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Solution

The fourth proportional to 115,324.60, 172,986.90 and 62,836.60 is: 94,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,324.60 : 172,986.90 = 62,836.60 : x
  2. Step 2: Convert to fraction form
    115,324.60/172,986.90 = 62,836.60/x
  3. Step 3: Cross multiply
    115,324.60x = 172,986.90 × 62,836.60
  4. Step 4: Simplify right side
    115,324.60x = 10,869,908,640.54
  5. Step 5: Solve for x
    x = 10,869,908,640.54/115,324.60
  6. Step 6: Final answer
    x = 94,254.90

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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.