Home / 68,045.86-93,905.69-37,839.75

Finding the Fourth Proportional to 68,045.86, 93,905.69 and 37,839.75

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Solution

The fourth proportional to 68,045.86, 93,905.69 and 37,839.75 is: 52,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,045.86 : 93,905.69 = 37,839.75 : x
  2. Step 2: Convert to fraction form
    68,045.86/93,905.69 = 37,839.75/x
  3. Step 3: Cross multiply
    68,045.86x = 93,905.69 × 37,839.75
  4. Step 4: Simplify right side
    68,045.86x = 3,553,367,833.18
  5. Step 5: Solve for x
    x = 3,553,367,833.18/68,045.86
  6. Step 6: Final answer
    x = 52,220.19

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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.