Home / 107,513.45-161,302.98-54,959.84

Finding the Fourth Proportional to 107,513.45, 161,302.98 and 54,959.84

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Solution

The fourth proportional to 107,513.45, 161,302.98 and 54,959.84 is: 82,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,513.45 : 161,302.98 = 54,959.84 : x
  2. Step 2: Convert to fraction form
    107,513.45/161,302.98 = 54,959.84/x
  3. Step 3: Cross multiply
    107,513.45x = 161,302.98 × 54,959.84
  4. Step 4: Simplify right side
    107,513.45x = 8,865,185,165.81
  5. Step 5: Solve for x
    x = 8,865,185,165.81/107,513.45
  6. Step 6: Final answer
    x = 82,456.53

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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.