Home / 43,927.56-65,990.70-31,475.16

Finding the Fourth Proportional to 43,927.56, 65,990.70 and 31,475.16

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Solution

The fourth proportional to 43,927.56, 65,990.70 and 31,475.16 is: 47,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,927.56 : 65,990.70 = 31,475.16 : x
  2. Step 2: Convert to fraction form
    43,927.56/65,990.70 = 31,475.16/x
  3. Step 3: Cross multiply
    43,927.56x = 65,990.70 × 31,475.16
  4. Step 4: Simplify right side
    43,927.56x = 2,077,067,841.01
  5. Step 5: Solve for x
    x = 2,077,067,841.01/43,927.56
  6. Step 6: Final answer
    x = 47,283.93

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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.