Home / 55,477.09-76,480.97-38,452.11

Finding the Fourth Proportional to 55,477.09, 76,480.97 and 38,452.11

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Solution

The fourth proportional to 55,477.09, 76,480.97 and 38,452.11 is: 53,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477.09 : 76,480.97 = 38,452.11 : x
  2. Step 2: Convert to fraction form
    55,477.09/76,480.97 = 38,452.11/x
  3. Step 3: Cross multiply
    55,477.09x = 76,480.97 × 38,452.11
  4. Step 4: Simplify right side
    55,477.09x = 2,940,854,671.35
  5. Step 5: Solve for x
    x = 2,940,854,671.35/55,477.09
  6. Step 6: Final answer
    x = 53,010.25

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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.