Home / 53,674.11-74,072.58-29,800.78

Finding the Fourth Proportional to 53,674.11, 74,072.58 and 29,800.78

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Solution

The fourth proportional to 53,674.11, 74,072.58 and 29,800.78 is: 41,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,674.11 : 74,072.58 = 29,800.78 : x
  2. Step 2: Convert to fraction form
    53,674.11/74,072.58 = 29,800.78/x
  3. Step 3: Cross multiply
    53,674.11x = 74,072.58 × 29,800.78
  4. Step 4: Simplify right side
    53,674.11x = 2,207,420,753.20
  5. Step 5: Solve for x
    x = 2,207,420,753.20/53,674.11
  6. Step 6: Final answer
    x = 41,126.36

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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.