Home / 105,804.22-146,016.45-58,057.69

Finding the Fourth Proportional to 105,804.22, 146,016.45 and 58,057.69

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Solution

The fourth proportional to 105,804.22, 146,016.45 and 58,057.69 is: 80,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,804.22 : 146,016.45 = 58,057.69 : x
  2. Step 2: Convert to fraction form
    105,804.22/146,016.45 = 58,057.69/x
  3. Step 3: Cross multiply
    105,804.22x = 146,016.45 × 58,057.69
  4. Step 4: Simplify right side
    105,804.22x = 8,477,377,789.00
  5. Step 5: Solve for x
    x = 8,477,377,789.00/105,804.22
  6. Step 6: Final answer
    x = 80,123.25

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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.