Home / 82,739.40-124,106.46-26,579.28

Finding the Fourth Proportional to 82,739.40, 124,106.46 and 26,579.28

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Solution

The fourth proportional to 82,739.40, 124,106.46 and 26,579.28 is: 39,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,739.40 : 124,106.46 = 26,579.28 : x
  2. Step 2: Convert to fraction form
    82,739.40/124,106.46 = 26,579.28/x
  3. Step 3: Cross multiply
    82,739.40x = 124,106.46 × 26,579.28
  4. Step 4: Simplify right side
    82,739.40x = 3,298,660,350.15
  5. Step 5: Solve for x
    x = 3,298,660,350.15/82,739.40
  6. Step 6: Final answer
    x = 39,868.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.