Home / 111,063.02-166,493.72-57,692.61

Finding the Fourth Proportional to 111,063.02, 166,493.72 and 57,692.61

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Solution

The fourth proportional to 111,063.02, 166,493.72 and 57,692.61 is: 86,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,063.02 : 166,493.72 = 57,692.61 : x
  2. Step 2: Convert to fraction form
    111,063.02/166,493.72 = 57,692.61/x
  3. Step 3: Cross multiply
    111,063.02x = 166,493.72 × 57,692.61
  4. Step 4: Simplify right side
    111,063.02x = 9,605,457,399.64
  5. Step 5: Solve for x
    x = 9,605,457,399.64/111,063.02
  6. Step 6: Final answer
    x = 86,486.55

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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.