Home / 108,837.05-150,183.59-61,095.65

Finding the Fourth Proportional to 108,837.05, 150,183.59 and 61,095.65

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Solution

The fourth proportional to 108,837.05, 150,183.59 and 61,095.65 is: 84,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,837.05 : 150,183.59 = 61,095.65 : x
  2. Step 2: Convert to fraction form
    108,837.05/150,183.59 = 61,095.65/x
  3. Step 3: Cross multiply
    108,837.05x = 150,183.59 × 61,095.65
  4. Step 4: Simplify right side
    108,837.05x = 9,175,562,993.99
  5. Step 5: Solve for x
    x = 9,175,562,993.99/108,837.05
  6. Step 6: Final answer
    x = 84,305.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.