Home / 68,653.72-103,095.08-46,308.36

Finding the Fourth Proportional to 68,653.72, 103,095.08 and 46,308.36

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Solution

The fourth proportional to 68,653.72, 103,095.08 and 46,308.36 is: 69,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653.72 : 103,095.08 = 46,308.36 : x
  2. Step 2: Convert to fraction form
    68,653.72/103,095.08 = 46,308.36/x
  3. Step 3: Cross multiply
    68,653.72x = 103,095.08 × 46,308.36
  4. Step 4: Simplify right side
    68,653.72x = 4,774,164,078.87
  5. Step 5: Solve for x
    x = 4,774,164,078.87/68,653.72
  6. Step 6: Final answer
    x = 69,539.77

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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.