Home / 111,933.16-154,467.48-61,632.16

Finding the Fourth Proportional to 111,933.16, 154,467.48 and 61,632.16

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Solution

The fourth proportional to 111,933.16, 154,467.48 and 61,632.16 is: 85,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,933.16 : 154,467.48 = 61,632.16 : x
  2. Step 2: Convert to fraction form
    111,933.16/154,467.48 = 61,632.16/x
  3. Step 3: Cross multiply
    111,933.16x = 154,467.48 × 61,632.16
  4. Step 4: Simplify right side
    111,933.16x = 9,520,164,442.16
  5. Step 5: Solve for x
    x = 9,520,164,442.16/111,933.16
  6. Step 6: Final answer
    x = 85,052.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.