Home / 74,459.41-102,755.01-40,468.57

Finding the Fourth Proportional to 74,459.41, 102,755.01 and 40,468.57

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Solution

The fourth proportional to 74,459.41, 102,755.01 and 40,468.57 is: 55,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,459.41 : 102,755.01 = 40,468.57 : x
  2. Step 2: Convert to fraction form
    74,459.41/102,755.01 = 40,468.57/x
  3. Step 3: Cross multiply
    74,459.41x = 102,755.01 × 40,468.57
  4. Step 4: Simplify right side
    74,459.41x = 4,158,348,315.04
  5. Step 5: Solve for x
    x = 4,158,348,315.04/74,459.41
  6. Step 6: Final answer
    x = 55,847.18

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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.