Home / 104,116.02-143,680.20-56,369.40

Finding the Fourth Proportional to 104,116.02, 143,680.20 and 56,369.40

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Solution

The fourth proportional to 104,116.02, 143,680.20 and 56,369.40 is: 77,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,116.02 : 143,680.20 = 56,369.40 : x
  2. Step 2: Convert to fraction form
    104,116.02/143,680.20 = 56,369.40/x
  3. Step 3: Cross multiply
    104,116.02x = 143,680.20 × 56,369.40
  4. Step 4: Simplify right side
    104,116.02x = 8,099,166,665.88
  5. Step 5: Solve for x
    x = 8,099,166,665.88/104,116.02
  6. Step 6: Final answer
    x = 77,789.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.