Home / 75,698.10-113,560.92-31,300.74

Finding the Fourth Proportional to 75,698.10, 113,560.92 and 31,300.74

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Solution

The fourth proportional to 75,698.10, 113,560.92 and 31,300.74 is: 46,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,698.10 : 113,560.92 = 31,300.74 : x
  2. Step 2: Convert to fraction form
    75,698.10/113,560.92 = 31,300.74/x
  3. Step 3: Cross multiply
    75,698.10x = 113,560.92 × 31,300.74
  4. Step 4: Simplify right side
    75,698.10x = 3,554,540,831.08
  5. Step 5: Solve for x
    x = 3,554,540,831.08/75,698.10
  6. Step 6: Final answer
    x = 46,956.80

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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.