Home / 111,621.60-167,437.26-55,488.60

Finding the Fourth Proportional to 111,621.60, 167,437.26 and 55,488.60

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Solution

The fourth proportional to 111,621.60, 167,437.26 and 55,488.60 is: 83,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,621.60 : 167,437.26 = 55,488.60 : x
  2. Step 2: Convert to fraction form
    111,621.60/167,437.26 = 55,488.60/x
  3. Step 3: Cross multiply
    111,621.60x = 167,437.26 × 55,488.60
  4. Step 4: Simplify right side
    111,621.60x = 9,290,859,145.24
  5. Step 5: Solve for x
    x = 9,290,859,145.24/111,621.60
  6. Step 6: Final answer
    x = 83,235.32

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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.