Home / 84,433.58-126,700.10-31,163.06

Finding the Fourth Proportional to 84,433.58, 126,700.10 and 31,163.06

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Solution

The fourth proportional to 84,433.58, 126,700.10 and 31,163.06 is: 46,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,433.58 : 126,700.10 = 31,163.06 : x
  2. Step 2: Convert to fraction form
    84,433.58/126,700.10 = 31,163.06/x
  3. Step 3: Cross multiply
    84,433.58x = 126,700.10 × 31,163.06
  4. Step 4: Simplify right side
    84,433.58x = 3,948,362,818.31
  5. Step 5: Solve for x
    x = 3,948,362,818.31/84,433.58
  6. Step 6: Final answer
    x = 46,762.94

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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.