Home / 106,457.19-159,661.18-31,559.27

Finding the Fourth Proportional to 106,457.19, 159,661.18 and 31,559.27

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Solution

The fourth proportional to 106,457.19, 159,661.18 and 31,559.27 is: 47,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,457.19 : 159,661.18 = 31,559.27 : x
  2. Step 2: Convert to fraction form
    106,457.19/159,661.18 = 31,559.27/x
  3. Step 3: Cross multiply
    106,457.19x = 159,661.18 × 31,559.27
  4. Step 4: Simplify right side
    106,457.19x = 5,038,790,249.86
  5. Step 5: Solve for x
    x = 5,038,790,249.86/106,457.19
  6. Step 6: Final answer
    x = 47,331.61

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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.