Home / 104,435.46-144,121.62-56,689.02

Finding the Fourth Proportional to 104,435.46, 144,121.62 and 56,689.02

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Solution

The fourth proportional to 104,435.46, 144,121.62 and 56,689.02 is: 78,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,435.46 : 144,121.62 = 56,689.02 : x
  2. Step 2: Convert to fraction form
    104,435.46/144,121.62 = 56,689.02/x
  3. Step 3: Cross multiply
    104,435.46x = 144,121.62 × 56,689.02
  4. Step 4: Simplify right side
    104,435.46x = 8,170,113,398.61
  5. Step 5: Solve for x
    x = 8,170,113,398.61/104,435.46
  6. Step 6: Final answer
    x = 78,231.22

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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.