Home / 104,285.96-143,913.75-58,972.83

Finding the Fourth Proportional to 104,285.96, 143,913.75 and 58,972.83

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Solution

The fourth proportional to 104,285.96, 143,913.75 and 58,972.83 is: 81,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,285.96 : 143,913.75 = 58,972.83 : x
  2. Step 2: Convert to fraction form
    104,285.96/143,913.75 = 58,972.83/x
  3. Step 3: Cross multiply
    104,285.96x = 143,913.75 × 58,972.83
  4. Step 4: Simplify right side
    104,285.96x = 8,487,001,815.65
  5. Step 5: Solve for x
    x = 8,487,001,815.65/104,285.96
  6. Step 6: Final answer
    x = 81,382.02

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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.