Home / 75,265.04-103,865.64-43,433.93

Finding the Fourth Proportional to 75,265.04, 103,865.64 and 43,433.93

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Solution

The fourth proportional to 75,265.04, 103,865.64 and 43,433.93 is: 59,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,265.04 : 103,865.64 = 43,433.93 : x
  2. Step 2: Convert to fraction form
    75,265.04/103,865.64 = 43,433.93/x
  3. Step 3: Cross multiply
    75,265.04x = 103,865.64 × 43,433.93
  4. Step 4: Simplify right side
    75,265.04x = 4,511,293,424.33
  5. Step 5: Solve for x
    x = 4,511,293,424.33/75,265.04
  6. Step 6: Final answer
    x = 59,938.77

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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.