Home / 107,677.72-161,549.67-55,124.11

Finding the Fourth Proportional to 107,677.72, 161,549.67 and 55,124.11

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Solution

The fourth proportional to 107,677.72, 161,549.67 and 55,124.11 is: 82,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,677.72 : 161,549.67 = 55,124.11 : x
  2. Step 2: Convert to fraction form
    107,677.72/161,549.67 = 55,124.11/x
  3. Step 3: Cross multiply
    107,677.72x = 161,549.67 × 55,124.11
  4. Step 4: Simplify right side
    107,677.72x = 8,905,280,971.80
  5. Step 5: Solve for x
    x = 8,905,280,971.80/107,677.72
  6. Step 6: Final answer
    x = 82,703.10

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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.