Home / 68,039.04-93,895.80-41,186.40

Finding the Fourth Proportional to 68,039.04, 93,895.80 and 41,186.40

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Solution

The fourth proportional to 68,039.04, 93,895.80 and 41,186.40 is: 56,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,039.04 : 93,895.80 = 41,186.40 : x
  2. Step 2: Convert to fraction form
    68,039.04/93,895.80 = 41,186.40/x
  3. Step 3: Cross multiply
    68,039.04x = 93,895.80 × 41,186.40
  4. Step 4: Simplify right side
    68,039.04x = 3,867,229,977.12
  5. Step 5: Solve for x
    x = 3,867,229,977.12/68,039.04
  6. Step 6: Final answer
    x = 56,838.40

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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.