Home / 115,387.02-172,977.66-62,107.62

Finding the Fourth Proportional to 115,387.02, 172,977.66 and 62,107.62

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Solution

The fourth proportional to 115,387.02, 172,977.66 and 62,107.62 is: 93,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,387.02 : 172,977.66 = 62,107.62 : x
  2. Step 2: Convert to fraction form
    115,387.02/172,977.66 = 62,107.62/x
  3. Step 3: Cross multiply
    115,387.02x = 172,977.66 × 62,107.62
  4. Step 4: Simplify right side
    115,387.02x = 10,743,230,775.77
  5. Step 5: Solve for x
    x = 10,743,230,775.77/115,387.02
  6. Step 6: Final answer
    x = 93,106.06

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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.