Home / 106,245.51-159,385.56-31,373.22

Finding the Fourth Proportional to 106,245.51, 159,385.56 and 31,373.22

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Solution

The fourth proportional to 106,245.51, 159,385.56 and 31,373.22 is: 47,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,245.51 : 159,385.56 = 31,373.22 : x
  2. Step 2: Convert to fraction form
    106,245.51/159,385.56 = 31,373.22/x
  3. Step 3: Cross multiply
    106,245.51x = 159,385.56 × 31,373.22
  4. Step 4: Simplify right side
    106,245.51x = 5,000,438,718.75
  5. Step 5: Solve for x
    x = 5,000,438,718.75/106,245.51
  6. Step 6: Final answer
    x = 47,064.94

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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.