Home / 117,941.40-176,922.90-47,806.20

Finding the Fourth Proportional to 117,941.40, 176,922.90 and 47,806.20

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Solution

The fourth proportional to 117,941.40, 176,922.90 and 47,806.20 is: 71,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,941.40 : 176,922.90 = 47,806.20 : x
  2. Step 2: Convert to fraction form
    117,941.40/176,922.90 = 47,806.20/x
  3. Step 3: Cross multiply
    117,941.40x = 176,922.90 × 47,806.20
  4. Step 4: Simplify right side
    117,941.40x = 8,458,011,541.98
  5. Step 5: Solve for x
    x = 8,458,011,541.98/117,941.40
  6. Step 6: Final answer
    x = 71,713.68

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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.