Home / 106,421.71-159,670.73-45,606.46

Finding the Fourth Proportional to 106,421.71, 159,670.73 and 45,606.46

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Solution

The fourth proportional to 106,421.71, 159,670.73 and 45,606.46 is: 68,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.71 : 159,670.73 = 45,606.46 : x
  2. Step 2: Convert to fraction form
    106,421.71/159,670.73 = 45,606.46/x
  3. Step 3: Cross multiply
    106,421.71x = 159,670.73 × 45,606.46
  4. Step 4: Simplify right side
    106,421.71x = 7,282,016,760.92
  5. Step 5: Solve for x
    x = 7,282,016,760.92/106,421.71
  6. Step 6: Final answer
    x = 68,426.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.