Home / 115,382.02-172,970.16-62,102.62

Finding the Fourth Proportional to 115,382.02, 172,970.16 and 62,102.62

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Solution

The fourth proportional to 115,382.02, 172,970.16 and 62,102.62 is: 93,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,382.02 : 172,970.16 = 62,102.62 : x
  2. Step 2: Convert to fraction form
    115,382.02/172,970.16 = 62,102.62/x
  3. Step 3: Cross multiply
    115,382.02x = 172,970.16 × 62,102.62
  4. Step 4: Simplify right side
    115,382.02x = 10,741,900,117.82
  5. Step 5: Solve for x
    x = 10,741,900,117.82/115,382.02
  6. Step 6: Final answer
    x = 93,098.56

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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.