Home / 47,161.55-65,176.29-38,650.25

Finding the Fourth Proportional to 47,161.55, 65,176.29 and 38,650.25

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Solution

The fourth proportional to 47,161.55, 65,176.29 and 38,650.25 is: 53,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.55 : 65,176.29 = 38,650.25 : x
  2. Step 2: Convert to fraction form
    47,161.55/65,176.29 = 38,650.25/x
  3. Step 3: Cross multiply
    47,161.55x = 65,176.29 × 38,650.25
  4. Step 4: Simplify right side
    47,161.55x = 2,519,080,065.51
  5. Step 5: Solve for x
    x = 2,519,080,065.51/47,161.55
  6. Step 6: Final answer
    x = 53,413.85

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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.