Home / 105,814.13-146,027.72-58,069.19

Finding the Fourth Proportional to 105,814.13, 146,027.72 and 58,069.19

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Solution

The fourth proportional to 105,814.13, 146,027.72 and 58,069.19 is: 80,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,814.13 : 146,027.72 = 58,069.19 : x
  2. Step 2: Convert to fraction form
    105,814.13/146,027.72 = 58,069.19/x
  3. Step 3: Cross multiply
    105,814.13x = 146,027.72 × 58,069.19
  4. Step 4: Simplify right side
    105,814.13x = 8,479,711,127.60
  5. Step 5: Solve for x
    x = 8,479,711,127.60/105,814.13
  6. Step 6: Final answer
    x = 80,137.80

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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.