Home / 111,381.02-167,102.36-51,427.84

Finding the Fourth Proportional to 111,381.02, 167,102.36 and 51,427.84

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Solution

The fourth proportional to 111,381.02, 167,102.36 and 51,427.84 is: 77,156.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,381.02 : 167,102.36 = 51,427.84 : x
  2. Step 2: Convert to fraction form
    111,381.02/167,102.36 = 51,427.84/x
  3. Step 3: Cross multiply
    111,381.02x = 167,102.36 × 51,427.84
  4. Step 4: Simplify right side
    111,381.02x = 8,593,713,433.70
  5. Step 5: Solve for x
    x = 8,593,713,433.70/111,381.02
  6. Step 6: Final answer
    x = 77,156.00

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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.