Home / 43,904.10-65,853.82-12,316.35

Finding the Fourth Proportional to 43,904.10, 65,853.82 and 12,316.35

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Solution

The fourth proportional to 43,904.10, 65,853.82 and 12,316.35 is: 18,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,904.10 : 65,853.82 = 12,316.35 : x
  2. Step 2: Convert to fraction form
    43,904.10/65,853.82 = 12,316.35/x
  3. Step 3: Cross multiply
    43,904.10x = 65,853.82 × 12,316.35
  4. Step 4: Simplify right side
    43,904.10x = 811,078,695.96
  5. Step 5: Solve for x
    x = 811,078,695.96/43,904.10
  6. Step 6: Final answer
    x = 18,473.87

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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.