Home / 103,832.58-143,285.85-58,513.08

Finding the Fourth Proportional to 103,832.58, 143,285.85 and 58,513.08

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Solution

The fourth proportional to 103,832.58, 143,285.85 and 58,513.08 is: 80,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,832.58 : 143,285.85 = 58,513.08 : x
  2. Step 2: Convert to fraction form
    103,832.58/143,285.85 = 58,513.08/x
  3. Step 3: Cross multiply
    103,832.58x = 143,285.85 × 58,513.08
  4. Step 4: Simplify right side
    103,832.58x = 8,384,096,403.92
  5. Step 5: Solve for x
    x = 8,384,096,403.92/103,832.58
  6. Step 6: Final answer
    x = 80,746.30

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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.