Home / 107,713.40-161,567.74-28,827.64

Finding the Fourth Proportional to 107,713.40, 161,567.74 and 28,827.64

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Solution

The fourth proportional to 107,713.40, 161,567.74 and 28,827.64 is: 43,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,713.40 : 161,567.74 = 28,827.64 : x
  2. Step 2: Convert to fraction form
    107,713.40/161,567.74 = 28,827.64/x
  3. Step 3: Cross multiply
    107,713.40x = 161,567.74 × 28,827.64
  4. Step 4: Simplify right side
    107,713.40x = 4,657,616,644.33
  5. Step 5: Solve for x
    x = 4,657,616,644.33/107,713.40
  6. Step 6: Final answer
    x = 43,240.83

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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.