Home / 74,623.73-102,901.82-57,630.74

Finding the Fourth Proportional to 74,623.73, 102,901.82 and 57,630.74

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Solution

The fourth proportional to 74,623.73, 102,901.82 and 57,630.74 is: 79,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,623.73 : 102,901.82 = 57,630.74 : x
  2. Step 2: Convert to fraction form
    74,623.73/102,901.82 = 57,630.74/x
  3. Step 3: Cross multiply
    74,623.73x = 102,901.82 × 57,630.74
  4. Step 4: Simplify right side
    74,623.73x = 5,930,307,231.28
  5. Step 5: Solve for x
    x = 5,930,307,231.28/74,623.73
  6. Step 6: Final answer
    x = 79,469.46

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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.