Home / 117,968.13-176,951.12-47,830.77

Finding the Fourth Proportional to 117,968.13, 176,951.12 and 47,830.77

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Solution

The fourth proportional to 117,968.13, 176,951.12 and 47,830.77 is: 71,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,968.13 : 176,951.12 = 47,830.77 : x
  2. Step 2: Convert to fraction form
    117,968.13/176,951.12 = 47,830.77/x
  3. Step 3: Cross multiply
    117,968.13x = 176,951.12 × 47,830.77
  4. Step 4: Simplify right side
    117,968.13x = 8,463,708,082.81
  5. Step 5: Solve for x
    x = 8,463,708,082.81/117,968.13
  6. Step 6: Final answer
    x = 71,745.72

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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.