Home / 74,460.16-102,755.70-40,468.73

Finding the Fourth Proportional to 74,460.16, 102,755.70 and 40,468.73

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Solution

The fourth proportional to 74,460.16, 102,755.70 and 40,468.73 is: 55,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,460.16 : 102,755.70 = 40,468.73 : x
  2. Step 2: Convert to fraction form
    74,460.16/102,755.70 = 40,468.73/x
  3. Step 3: Cross multiply
    74,460.16x = 102,755.70 × 40,468.73
  4. Step 4: Simplify right side
    74,460.16x = 4,158,392,679.26
  5. Step 5: Solve for x
    x = 4,158,392,679.26/74,460.16
  6. Step 6: Final answer
    x = 55,847.22

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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.