Home / 55,016.08-75,920.16-29,865.04

Finding the Fourth Proportional to 55,016.08, 75,920.16 and 29,865.04

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Solution

The fourth proportional to 55,016.08, 75,920.16 and 29,865.04 is: 41,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,016.08 : 75,920.16 = 29,865.04 : x
  2. Step 2: Convert to fraction form
    55,016.08/75,920.16 = 29,865.04/x
  3. Step 3: Cross multiply
    55,016.08x = 75,920.16 × 29,865.04
  4. Step 4: Simplify right side
    55,016.08x = 2,267,358,615.21
  5. Step 5: Solve for x
    x = 2,267,358,615.21/55,016.08
  6. Step 6: Final answer
    x = 41,212.65

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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.