Home / 73,945.12-102,044.04-40,411.12

Finding the Fourth Proportional to 73,945.12, 102,044.04 and 40,411.12

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Solution

The fourth proportional to 73,945.12, 102,044.04 and 40,411.12 is: 55,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,945.12 : 102,044.04 = 40,411.12 : x
  2. Step 2: Convert to fraction form
    73,945.12/102,044.04 = 40,411.12/x
  3. Step 3: Cross multiply
    73,945.12x = 102,044.04 × 40,411.12
  4. Step 4: Simplify right side
    73,945.12x = 4,123,713,945.72
  5. Step 5: Solve for x
    x = 4,123,713,945.72/73,945.12
  6. Step 6: Final answer
    x = 55,767.22

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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.