Home / 82,619.40-114,015.18-48,629.16

Finding the Fourth Proportional to 82,619.40, 114,015.18 and 48,629.16

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Solution

The fourth proportional to 82,619.40, 114,015.18 and 48,629.16 is: 67,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,619.40 : 114,015.18 = 48,629.16 : x
  2. Step 2: Convert to fraction form
    82,619.40/114,015.18 = 48,629.16/x
  3. Step 3: Cross multiply
    82,619.40x = 114,015.18 × 48,629.16
  4. Step 4: Simplify right side
    82,619.40x = 5,544,462,430.65
  5. Step 5: Solve for x
    x = 5,544,462,430.65/82,619.40
  6. Step 6: Final answer
    x = 67,108.48

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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.