Home / 74,640.12-102,998.67-41,106.12

Finding the Fourth Proportional to 74,640.12, 102,998.67 and 41,106.12

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Solution

The fourth proportional to 74,640.12, 102,998.67 and 41,106.12 is: 56,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,640.12 : 102,998.67 = 41,106.12 : x
  2. Step 2: Convert to fraction form
    74,640.12/102,998.67 = 41,106.12/x
  3. Step 3: Cross multiply
    74,640.12x = 102,998.67 × 41,106.12
  4. Step 4: Simplify right side
    74,640.12x = 4,233,875,688.86
  5. Step 5: Solve for x
    x = 4,233,875,688.86/74,640.12
  6. Step 6: Final answer
    x = 56,723.86

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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.