Home / 83,243.16-124,759.64-53,246.03

Finding the Fourth Proportional to 83,243.16, 124,759.64 and 53,246.03

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Solution

The fourth proportional to 83,243.16, 124,759.64 and 53,246.03 is: 79,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,243.16 : 124,759.64 = 53,246.03 : x
  2. Step 2: Convert to fraction form
    83,243.16/124,759.64 = 53,246.03/x
  3. Step 3: Cross multiply
    83,243.16x = 124,759.64 × 53,246.03
  4. Step 4: Simplify right side
    83,243.16x = 6,642,955,043.55
  5. Step 5: Solve for x
    x = 6,642,955,043.55/83,243.16
  6. Step 6: Final answer
    x = 79,801.81

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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.