Home / 70,582.28-105,843-26,176.44

Finding the Fourth Proportional to 70,582.28, 105,843 and 26,176.44

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Solution

The fourth proportional to 70,582.28, 105,843 and 26,176.44 is: 39,253.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,582.28 : 105,843 = 26,176.44 : x
  2. Step 2: Convert to fraction form
    70,582.28/105,843 = 26,176.44/x
  3. Step 3: Cross multiply
    70,582.28x = 105,843 × 26,176.44
  4. Step 4: Simplify right side
    70,582.28x = 2,770,592,938.92
  5. Step 5: Solve for x
    x = 2,770,592,938.92/70,582.28
  6. Step 6: Final answer
    x = 39,253.38

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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.