Home / 82,163.77-113,386.64-48,173.13

Finding the Fourth Proportional to 82,163.77, 113,386.64 and 48,173.13

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Solution

The fourth proportional to 82,163.77, 113,386.64 and 48,173.13 is: 66,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,163.77 : 113,386.64 = 48,173.13 : x
  2. Step 2: Convert to fraction form
    82,163.77/113,386.64 = 48,173.13/x
  3. Step 3: Cross multiply
    82,163.77x = 113,386.64 × 48,173.13
  4. Step 4: Simplify right side
    82,163.77x = 5,462,189,108.12
  5. Step 5: Solve for x
    x = 5,462,189,108.12/82,163.77
  6. Step 6: Final answer
    x = 66,479.29

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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.