Home / 74,535.12-102,857.04-41,001.12

Finding the Fourth Proportional to 74,535.12, 102,857.04 and 41,001.12

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Solution

The fourth proportional to 74,535.12, 102,857.04 and 41,001.12 is: 56,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.12 : 102,857.04 = 41,001.12 : x
  2. Step 2: Convert to fraction form
    74,535.12/102,857.04 = 41,001.12/x
  3. Step 3: Cross multiply
    74,535.12x = 102,857.04 × 41,001.12
  4. Step 4: Simplify right side
    74,535.12x = 4,217,253,839.88
  5. Step 5: Solve for x
    x = 4,217,253,839.88/74,535.12
  6. Step 6: Final answer
    x = 56,580.76

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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.