Home / 117,802.46-176,702.85-47,680.76

Finding the Fourth Proportional to 117,802.46, 176,702.85 and 47,680.76

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Solution

The fourth proportional to 117,802.46, 176,702.85 and 47,680.76 is: 71,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,802.46 : 176,702.85 = 47,680.76 : x
  2. Step 2: Convert to fraction form
    117,802.46/176,702.85 = 47,680.76/x
  3. Step 3: Cross multiply
    117,802.46x = 176,702.85 × 47,680.76
  4. Step 4: Simplify right side
    117,802.46x = 8,425,325,298.65
  5. Step 5: Solve for x
    x = 8,425,325,298.65/117,802.46
  6. Step 6: Final answer
    x = 71,520.80

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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.