Home / 111,027.10-166,483.05-40,870.30

Finding the Fourth Proportional to 111,027.10, 166,483.05 and 40,870.30

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Solution

The fourth proportional to 111,027.10, 166,483.05 and 40,870.30 is: 61,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.10 : 166,483.05 = 40,870.30 : x
  2. Step 2: Convert to fraction form
    111,027.10/166,483.05 = 40,870.30/x
  3. Step 3: Cross multiply
    111,027.10x = 166,483.05 × 40,870.30
  4. Step 4: Simplify right side
    111,027.10x = 6,804,212,198.42
  5. Step 5: Solve for x
    x = 6,804,212,198.42/111,027.10
  6. Step 6: Final answer
    x = 61,284.25

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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.