Home / 111,028.80-166,543.20-48,699.30

Finding the Fourth Proportional to 111,028.80, 166,543.20 and 48,699.30

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Solution

The fourth proportional to 111,028.80, 166,543.20 and 48,699.30 is: 73,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,028.80 : 166,543.20 = 48,699.30 : x
  2. Step 2: Convert to fraction form
    111,028.80/166,543.20 = 48,699.30/x
  3. Step 3: Cross multiply
    111,028.80x = 166,543.20 × 48,699.30
  4. Step 4: Simplify right side
    111,028.80x = 8,110,537,259.76
  5. Step 5: Solve for x
    x = 8,110,537,259.76/111,028.80
  6. Step 6: Final answer
    x = 73,048.95

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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.