Home / 107,540.08-161,302.02-43,502.29

Finding the Fourth Proportional to 107,540.08, 161,302.02 and 43,502.29

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Solution

The fourth proportional to 107,540.08, 161,302.02 and 43,502.29 is: 65,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,540.08 : 161,302.02 = 43,502.29 : x
  2. Step 2: Convert to fraction form
    107,540.08/161,302.02 = 43,502.29/x
  3. Step 3: Cross multiply
    107,540.08x = 161,302.02 × 43,502.29
  4. Step 4: Simplify right side
    107,540.08x = 7,017,007,251.63
  5. Step 5: Solve for x
    x = 7,017,007,251.63/107,540.08
  6. Step 6: Final answer
    x = 65,250.16

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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.