Home / 110,871.30-166,362.66-51,711.60

Finding the Fourth Proportional to 110,871.30, 166,362.66 and 51,711.60

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Solution

The fourth proportional to 110,871.30, 166,362.66 and 51,711.60 is: 77,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,871.30 : 166,362.66 = 51,711.60 : x
  2. Step 2: Convert to fraction form
    110,871.30/166,362.66 = 51,711.60/x
  3. Step 3: Cross multiply
    110,871.30x = 166,362.66 × 51,711.60
  4. Step 4: Simplify right side
    110,871.30x = 8,602,879,328.86
  5. Step 5: Solve for x
    x = 8,602,879,328.86/110,871.30
  6. Step 6: Final answer
    x = 77,593.38

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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.