Home / 111,985.10-167,977.38-37,105.46

Finding the Fourth Proportional to 111,985.10, 167,977.38 and 37,105.46

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Solution

The fourth proportional to 111,985.10, 167,977.38 and 37,105.46 is: 55,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,985.10 : 167,977.38 = 37,105.46 : x
  2. Step 2: Convert to fraction form
    111,985.10/167,977.38 = 37,105.46/x
  3. Step 3: Cross multiply
    111,985.10x = 167,977.38 × 37,105.46
  4. Step 4: Simplify right side
    111,985.10x = 6,232,877,954.49
  5. Step 5: Solve for x
    x = 6,232,877,954.49/111,985.10
  6. Step 6: Final answer
    x = 55,658.10

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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.