Home / 74,690.46-103,073.22-40,699.32

Finding the Fourth Proportional to 74,690.46, 103,073.22 and 40,699.32

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Solution

The fourth proportional to 74,690.46, 103,073.22 and 40,699.32 is: 56,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,690.46 : 103,073.22 = 40,699.32 : x
  2. Step 2: Convert to fraction form
    74,690.46/103,073.22 = 40,699.32/x
  3. Step 3: Cross multiply
    74,690.46x = 103,073.22 × 40,699.32
  4. Step 4: Simplify right side
    74,690.46x = 4,195,009,964.21
  5. Step 5: Solve for x
    x = 4,195,009,964.21/74,690.46
  6. Step 6: Final answer
    x = 56,165.27

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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.