Home / 105,935.96-146,037.66-74,005.76

Finding the Fourth Proportional to 105,935.96, 146,037.66 and 74,005.76

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Solution

The fourth proportional to 105,935.96, 146,037.66 and 74,005.76 is: 102,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,935.96 : 146,037.66 = 74,005.76 : x
  2. Step 2: Convert to fraction form
    105,935.96/146,037.66 = 74,005.76/x
  3. Step 3: Cross multiply
    105,935.96x = 146,037.66 × 74,005.76
  4. Step 4: Simplify right side
    105,935.96x = 10,807,628,016.92
  5. Step 5: Solve for x
    x = 10,807,628,016.92/105,935.96
  6. Step 6: Final answer
    x = 102,020.39

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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.