Home / 74,708.67-103,094.96-40,716.43

Finding the Fourth Proportional to 74,708.67, 103,094.96 and 40,716.43

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Solution

The fourth proportional to 74,708.67, 103,094.96 and 40,716.43 is: 56,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,708.67 : 103,094.96 = 40,716.43 : x
  2. Step 2: Convert to fraction form
    74,708.67/103,094.96 = 40,716.43/x
  3. Step 3: Cross multiply
    74,708.67x = 103,094.96 × 40,716.43
  4. Step 4: Simplify right side
    74,708.67x = 4,197,658,779.86
  5. Step 5: Solve for x
    x = 4,197,658,779.86/74,708.67
  6. Step 6: Final answer
    x = 56,187.04

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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.