Home / 61,005.08-84,183.12-34,143.06

Finding the Fourth Proportional to 61,005.08, 84,183.12 and 34,143.06

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Solution

The fourth proportional to 61,005.08, 84,183.12 and 34,143.06 is: 47,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,005.08 : 84,183.12 = 34,143.06 : x
  2. Step 2: Convert to fraction form
    61,005.08/84,183.12 = 34,143.06/x
  3. Step 3: Cross multiply
    61,005.08x = 84,183.12 × 34,143.06
  4. Step 4: Simplify right side
    61,005.08x = 2,874,269,317.15
  5. Step 5: Solve for x
    x = 2,874,269,317.15/61,005.08
  6. Step 6: Final answer
    x = 47,115.25

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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.