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Finding the Fourth Proportional to 68,186.79, 94,097.79 and 37,977.93

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Solution

The fourth proportional to 68,186.79, 94,097.79 and 37,977.93 is: 52,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,186.79 : 94,097.79 = 37,977.93 : x
  2. Step 2: Convert to fraction form
    68,186.79/94,097.79 = 37,977.93/x
  3. Step 3: Cross multiply
    68,186.79x = 94,097.79 × 37,977.93
  4. Step 4: Simplify right side
    68,186.79x = 3,573,639,281.77
  5. Step 5: Solve for x
    x = 3,573,639,281.77/68,186.79
  6. Step 6: Final answer
    x = 52,409.55

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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.