Home / 104,204.64-143,803.17-56,458.29

Finding the Fourth Proportional to 104,204.64, 143,803.17 and 56,458.29

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Solution

The fourth proportional to 104,204.64, 143,803.17 and 56,458.29 is: 77,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,204.64 : 143,803.17 = 56,458.29 : x
  2. Step 2: Convert to fraction form
    104,204.64/143,803.17 = 56,458.29/x
  3. Step 3: Cross multiply
    104,204.64x = 143,803.17 × 56,458.29
  4. Step 4: Simplify right side
    104,204.64x = 8,118,881,074.78
  5. Step 5: Solve for x
    x = 8,118,881,074.78/104,204.64
  6. Step 6: Final answer
    x = 77,912.86

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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.