Home / 68,789.12-103,051.84-46,564.16

Finding the Fourth Proportional to 68,789.12, 103,051.84 and 46,564.16

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Solution

The fourth proportional to 68,789.12, 103,051.84 and 46,564.16 is: 69,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,789.12 : 103,051.84 = 46,564.16 : x
  2. Step 2: Convert to fraction form
    68,789.12/103,051.84 = 46,564.16/x
  3. Step 3: Cross multiply
    68,789.12x = 103,051.84 × 46,564.16
  4. Step 4: Simplify right side
    68,789.12x = 4,798,522,366.05
  5. Step 5: Solve for x
    x = 4,798,522,366.05/68,789.12
  6. Step 6: Final answer
    x = 69,757.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.