Home / 114,784.16-172,176-30,544.32

Finding the Fourth Proportional to 114,784.16, 172,176 and 30,544.32

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Solution

The fourth proportional to 114,784.16, 172,176 and 30,544.32 is: 45,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,784.16 : 172,176 = 30,544.32 : x
  2. Step 2: Convert to fraction form
    114,784.16/172,176 = 30,544.32/x
  3. Step 3: Cross multiply
    114,784.16x = 172,176 × 30,544.32
  4. Step 4: Simplify right side
    114,784.16x = 5,258,998,840.32
  5. Step 5: Solve for x
    x = 5,258,998,840.32/114,784.16
  6. Step 6: Final answer
    x = 45,816.42

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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.