Home / 75,084.10-103,616.07-46,789.90

Finding the Fourth Proportional to 75,084.10, 103,616.07 and 46,789.90

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Solution

The fourth proportional to 75,084.10, 103,616.07 and 46,789.90 is: 64,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.10 : 103,616.07 = 46,789.90 : x
  2. Step 2: Convert to fraction form
    75,084.10/103,616.07 = 46,789.90/x
  3. Step 3: Cross multiply
    75,084.10x = 103,616.07 × 46,789.90
  4. Step 4: Simplify right side
    75,084.10x = 4,848,185,553.69
  5. Step 5: Solve for x
    x = 4,848,185,553.69/75,084.10
  6. Step 6: Final answer
    x = 64,570.07

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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.