Home / 111,739.48-167,543.34-55,577.32

Finding the Fourth Proportional to 111,739.48, 167,543.34 and 55,577.32

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Solution

The fourth proportional to 111,739.48, 167,543.34 and 55,577.32 is: 83,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,739.48 : 167,543.34 = 55,577.32 : x
  2. Step 2: Convert to fraction form
    111,739.48/167,543.34 = 55,577.32/x
  3. Step 3: Cross multiply
    111,739.48x = 167,543.34 × 55,577.32
  4. Step 4: Simplify right side
    111,739.48x = 9,311,609,821.05
  5. Step 5: Solve for x
    x = 9,311,609,821.05/111,739.48
  6. Step 6: Final answer
    x = 83,333.21

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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.