Home / 68,000.10-93,838.28-37,784.64

Finding the Fourth Proportional to 68,000.10, 93,838.28 and 37,784.64

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Solution

The fourth proportional to 68,000.10, 93,838.28 and 37,784.64 is: 52,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.10 : 93,838.28 = 37,784.64 : x
  2. Step 2: Convert to fraction form
    68,000.10/93,838.28 = 37,784.64/x
  3. Step 3: Cross multiply
    68,000.10x = 93,838.28 × 37,784.64
  4. Step 4: Simplify right side
    68,000.10x = 3,545,645,790.99
  5. Step 5: Solve for x
    x = 3,545,645,790.99/68,000.10
  6. Step 6: Final answer
    x = 52,141.78

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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.