Home / 111,014.48-166,443.84-40,884.80

Finding the Fourth Proportional to 111,014.48, 166,443.84 and 40,884.80

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Solution

The fourth proportional to 111,014.48, 166,443.84 and 40,884.80 is: 61,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,014.48 : 166,443.84 = 40,884.80 : x
  2. Step 2: Convert to fraction form
    111,014.48/166,443.84 = 40,884.80/x
  3. Step 3: Cross multiply
    111,014.48x = 166,443.84 × 40,884.80
  4. Step 4: Simplify right side
    111,014.48x = 6,805,023,109.63
  5. Step 5: Solve for x
    x = 6,805,023,109.63/111,014.48
  6. Step 6: Final answer
    x = 61,298.52

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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.