Home / 83,948.28-125,308.23-73,984.07

Finding the Fourth Proportional to 83,948.28, 125,308.23 and 73,984.07

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Solution

The fourth proportional to 83,948.28, 125,308.23 and 73,984.07 is: 110,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,948.28 : 125,308.23 = 73,984.07 : x
  2. Step 2: Convert to fraction form
    83,948.28/125,308.23 = 73,984.07/x
  3. Step 3: Cross multiply
    83,948.28x = 125,308.23 × 73,984.07
  4. Step 4: Simplify right side
    83,948.28x = 9,270,811,863.43
  5. Step 5: Solve for x
    x = 9,270,811,863.43/83,948.28
  6. Step 6: Final answer
    x = 110,434.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.