Home / 68,381.13-94,369.65-40,095.93

Finding the Fourth Proportional to 68,381.13, 94,369.65 and 40,095.93

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Solution

The fourth proportional to 68,381.13, 94,369.65 and 40,095.93 is: 55,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,381.13 : 94,369.65 = 40,095.93 : x
  2. Step 2: Convert to fraction form
    68,381.13/94,369.65 = 40,095.93/x
  3. Step 3: Cross multiply
    68,381.13x = 94,369.65 × 40,095.93
  4. Step 4: Simplify right side
    68,381.13x = 3,783,838,880.52
  5. Step 5: Solve for x
    x = 3,783,838,880.52/68,381.13
  6. Step 6: Final answer
    x = 55,334.55

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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.