Home / 68,001.45-93,840.13-37,785.99

Finding the Fourth Proportional to 68,001.45, 93,840.13 and 37,785.99

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Solution

The fourth proportional to 68,001.45, 93,840.13 and 37,785.99 is: 52,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,001.45 : 93,840.13 = 37,785.99 : x
  2. Step 2: Convert to fraction form
    68,001.45/93,840.13 = 37,785.99/x
  3. Step 3: Cross multiply
    68,001.45x = 93,840.13 × 37,785.99
  4. Step 4: Simplify right side
    68,001.45x = 3,545,842,213.78
  5. Step 5: Solve for x
    x = 3,545,842,213.78/68,001.45
  6. Step 6: Final answer
    x = 52,143.63

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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.