Home / 117,815.99-176,734.88-47,700.77

Finding the Fourth Proportional to 117,815.99, 176,734.88 and 47,700.77

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Solution

The fourth proportional to 117,815.99, 176,734.88 and 47,700.77 is: 71,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,815.99 : 176,734.88 = 47,700.77 : x
  2. Step 2: Convert to fraction form
    117,815.99/176,734.88 = 47,700.77/x
  3. Step 3: Cross multiply
    117,815.99x = 176,734.88 × 47,700.77
  4. Step 4: Simplify right side
    117,815.99x = 8,430,389,861.86
  5. Step 5: Solve for x
    x = 8,430,389,861.86/117,815.99
  6. Step 6: Final answer
    x = 71,555.57

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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.