Home / 115,230.12-172,841.94-62,970.54

Finding the Fourth Proportional to 115,230.12, 172,841.94 and 62,970.54

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Solution

The fourth proportional to 115,230.12, 172,841.94 and 62,970.54 is: 94,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,230.12 : 172,841.94 = 62,970.54 : x
  2. Step 2: Convert to fraction form
    115,230.12/172,841.94 = 62,970.54/x
  3. Step 3: Cross multiply
    115,230.12x = 172,841.94 × 62,970.54
  4. Step 4: Simplify right side
    115,230.12x = 10,883,950,296.45
  5. Step 5: Solve for x
    x = 10,883,950,296.45/115,230.12
  6. Step 6: Final answer
    x = 94,454.04

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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.