Home / 43,904.37-65,854.23-12,316.61

Finding the Fourth Proportional to 43,904.37, 65,854.23 and 12,316.61

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Solution

The fourth proportional to 43,904.37, 65,854.23 and 12,316.61 is: 18,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,904.37 : 65,854.23 = 12,316.61 : x
  2. Step 2: Convert to fraction form
    43,904.37/65,854.23 = 12,316.61/x
  3. Step 3: Cross multiply
    43,904.37x = 65,854.23 × 12,316.61
  4. Step 4: Simplify right side
    43,904.37x = 811,100,867.76
  5. Step 5: Solve for x
    x = 811,100,867.76/43,904.37
  6. Step 6: Final answer
    x = 18,474.26

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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.