Home / 105,814.19-146,027.79-58,069.26

Finding the Fourth Proportional to 105,814.19, 146,027.79 and 58,069.26

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Solution

The fourth proportional to 105,814.19, 146,027.79 and 58,069.26 is: 80,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,814.19 : 146,027.79 = 58,069.26 : x
  2. Step 2: Convert to fraction form
    105,814.19/146,027.79 = 58,069.26/x
  3. Step 3: Cross multiply
    105,814.19x = 146,027.79 × 58,069.26
  4. Step 4: Simplify right side
    105,814.19x = 8,479,725,704.74
  5. Step 5: Solve for x
    x = 8,479,725,704.74/105,814.19
  6. Step 6: Final answer
    x = 80,137.89

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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.