Home / 68,000.72-93,841.00-37,785.15

Finding the Fourth Proportional to 68,000.72, 93,841.00 and 37,785.15

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Solution

The fourth proportional to 68,000.72, 93,841.00 and 37,785.15 is: 52,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.72 : 93,841.00 = 37,785.15 : x
  2. Step 2: Convert to fraction form
    68,000.72/93,841.00 = 37,785.15/x
  3. Step 3: Cross multiply
    68,000.72x = 93,841.00 × 37,785.15
  4. Step 4: Simplify right side
    68,000.72x = 3,545,796,166.69
  5. Step 5: Solve for x
    x = 3,545,796,166.69/68,000.72
  6. Step 6: Final answer
    x = 52,143.51

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1.5x scale

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.