Home / 43,903.19-65,842.06-31,318.55

Finding the Fourth Proportional to 43,903.19, 65,842.06 and 31,318.55

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Solution

The fourth proportional to 43,903.19, 65,842.06 and 31,318.55 is: 46,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,903.19 : 65,842.06 = 31,318.55 : x
  2. Step 2: Convert to fraction form
    43,903.19/65,842.06 = 31,318.55/x
  3. Step 3: Cross multiply
    43,903.19x = 65,842.06 × 31,318.55
  4. Step 4: Simplify right side
    43,903.19x = 2,062,077,848.21
  5. Step 5: Solve for x
    x = 2,062,077,848.21/43,903.19
  6. Step 6: Final answer
    x = 46,968.75

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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.