Home / 104,135.04-143,706.15-56,388.24

Finding the Fourth Proportional to 104,135.04, 143,706.15 and 56,388.24

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Solution

The fourth proportional to 104,135.04, 143,706.15 and 56,388.24 is: 77,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,135.04 : 143,706.15 = 56,388.24 : x
  2. Step 2: Convert to fraction form
    104,135.04/143,706.15 = 56,388.24/x
  3. Step 3: Cross multiply
    104,135.04x = 143,706.15 × 56,388.24
  4. Step 4: Simplify right side
    104,135.04x = 8,103,336,875.68
  5. Step 5: Solve for x
    x = 8,103,336,875.68/104,135.04
  6. Step 6: Final answer
    x = 77,815.66

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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.