Home / 105,800.64-146,004.66-58,054.56

Finding the Fourth Proportional to 105,800.64, 146,004.66 and 58,054.56

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Solution

The fourth proportional to 105,800.64, 146,004.66 and 58,054.56 is: 80,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,800.64 : 146,004.66 = 58,054.56 : x
  2. Step 2: Convert to fraction form
    105,800.64/146,004.66 = 58,054.56/x
  3. Step 3: Cross multiply
    105,800.64x = 146,004.66 × 58,054.56
  4. Step 4: Simplify right side
    105,800.64x = 8,476,236,294.25
  5. Step 5: Solve for x
    x = 8,476,236,294.25/105,800.64
  6. Step 6: Final answer
    x = 80,115.17

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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.