Home / 75,003.63-103,455.96-48,103.53

Finding the Fourth Proportional to 75,003.63, 103,455.96 and 48,103.53

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Solution

The fourth proportional to 75,003.63, 103,455.96 and 48,103.53 is: 66,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,003.63 : 103,455.96 = 48,103.53 : x
  2. Step 2: Convert to fraction form
    75,003.63/103,455.96 = 48,103.53/x
  3. Step 3: Cross multiply
    75,003.63x = 103,455.96 × 48,103.53
  4. Step 4: Simplify right side
    75,003.63x = 4,976,596,875.54
  5. Step 5: Solve for x
    x = 4,976,596,875.54/75,003.63
  6. Step 6: Final answer
    x = 66,351.41

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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.