Home / 114,937.08-172,408.50-31,831.80

Finding the Fourth Proportional to 114,937.08, 172,408.50 and 31,831.80

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Solution

The fourth proportional to 114,937.08, 172,408.50 and 31,831.80 is: 47,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,937.08 : 172,408.50 = 31,831.80 : x
  2. Step 2: Convert to fraction form
    114,937.08/172,408.50 = 31,831.80/x
  3. Step 3: Cross multiply
    114,937.08x = 172,408.50 × 31,831.80
  4. Step 4: Simplify right side
    114,937.08x = 5,488,072,890.30
  5. Step 5: Solve for x
    x = 5,488,072,890.30/114,937.08
  6. Step 6: Final answer
    x = 47,748.50

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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.