Home / 117,421.81-175,906.03-70,074.74

Finding the Fourth Proportional to 117,421.81, 175,906.03 and 70,074.74

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Solution

The fourth proportional to 117,421.81, 175,906.03 and 70,074.74 is: 104,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,421.81 : 175,906.03 = 70,074.74 : x
  2. Step 2: Convert to fraction form
    117,421.81/175,906.03 = 70,074.74/x
  3. Step 3: Cross multiply
    117,421.81x = 175,906.03 × 70,074.74
  4. Step 4: Simplify right side
    117,421.81x = 12,326,568,086.78
  5. Step 5: Solve for x
    x = 12,326,568,086.78/117,421.81
  6. Step 6: Final answer
    x = 104,976.82

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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.