Home / 74,924.29-103,393.76-40,932.96

Finding the Fourth Proportional to 74,924.29, 103,393.76 and 40,932.96

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Solution

The fourth proportional to 74,924.29, 103,393.76 and 40,932.96 is: 56,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,924.29 : 103,393.76 = 40,932.96 : x
  2. Step 2: Convert to fraction form
    74,924.29/103,393.76 = 40,932.96/x
  3. Step 3: Cross multiply
    74,924.29x = 103,393.76 × 40,932.96
  4. Step 4: Simplify right side
    74,924.29x = 4,232,212,642.33
  5. Step 5: Solve for x
    x = 4,232,212,642.33/74,924.29
  6. Step 6: Final answer
    x = 56,486.52

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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.