Home / 68,823.32-103,165.28-46,638.96

Finding the Fourth Proportional to 68,823.32, 103,165.28 and 46,638.96

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Solution

The fourth proportional to 68,823.32, 103,165.28 and 46,638.96 is: 69,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,823.32 : 103,165.28 = 46,638.96 : x
  2. Step 2: Convert to fraction form
    68,823.32/103,165.28 = 46,638.96/x
  3. Step 3: Cross multiply
    68,823.32x = 103,165.28 × 46,638.96
  4. Step 4: Simplify right side
    68,823.32x = 4,811,521,367.31
  5. Step 5: Solve for x
    x = 4,811,521,367.31/68,823.32
  6. Step 6: Final answer
    x = 69,911.21

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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.