Home / 83,462.81-115,183.55-47,163.33

Finding the Fourth Proportional to 83,462.81, 115,183.55 and 47,163.33

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Solution

The fourth proportional to 83,462.81, 115,183.55 and 47,163.33 is: 65,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,462.81 : 115,183.55 = 47,163.33 : x
  2. Step 2: Convert to fraction form
    83,462.81/115,183.55 = 47,163.33/x
  3. Step 3: Cross multiply
    83,462.81x = 115,183.55 × 47,163.33
  4. Step 4: Simplify right side
    83,462.81x = 5,432,439,779.22
  5. Step 5: Solve for x
    x = 5,432,439,779.22/83,462.81
  6. Step 6: Final answer
    x = 65,088.15

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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.