Home / 104,288.21-143,916.85-58,975.09

Finding the Fourth Proportional to 104,288.21, 143,916.85 and 58,975.09

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Solution

The fourth proportional to 104,288.21, 143,916.85 and 58,975.09 is: 81,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,288.21 : 143,916.85 = 58,975.09 : x
  2. Step 2: Convert to fraction form
    104,288.21/143,916.85 = 58,975.09/x
  3. Step 3: Cross multiply
    104,288.21x = 143,916.85 × 58,975.09
  4. Step 4: Simplify right side
    104,288.21x = 8,487,509,181.27
  5. Step 5: Solve for x
    x = 8,487,509,181.27/104,288.21
  6. Step 6: Final answer
    x = 81,385.13

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1.5x scale

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.