Home / 66,940.08-92,473.40-53,493.72

Finding the Fourth Proportional to 66,940.08, 92,473.40 and 53,493.72

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Solution

The fourth proportional to 66,940.08, 92,473.40 and 53,493.72 is: 73,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,940.08 : 92,473.40 = 53,493.72 : x
  2. Step 2: Convert to fraction form
    66,940.08/92,473.40 = 53,493.72/x
  3. Step 3: Cross multiply
    66,940.08x = 92,473.40 × 53,493.72
  4. Step 4: Simplify right side
    66,940.08x = 4,946,746,167.05
  5. Step 5: Solve for x
    x = 4,946,746,167.05/66,940.08
  6. Step 6: Final answer
    x = 73,898.12

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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.