Home / 91,853.21-137,717.17-46,763.75

Finding the Fourth Proportional to 91,853.21, 137,717.17 and 46,763.75

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Solution

The fourth proportional to 91,853.21, 137,717.17 and 46,763.75 is: 70,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853.21 : 137,717.17 = 46,763.75 : x
  2. Step 2: Convert to fraction form
    91,853.21/137,717.17 = 46,763.75/x
  3. Step 3: Cross multiply
    91,853.21x = 137,717.17 × 46,763.75
  4. Step 4: Simplify right side
    91,853.21x = 6,440,170,503.09
  5. Step 5: Solve for x
    x = 6,440,170,503.09/91,853.21
  6. Step 6: Final answer
    x = 70,113.73

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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.