Home / 111,632.16-167,466.66-51,720.50

Finding the Fourth Proportional to 111,632.16, 167,466.66 and 51,720.50

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Solution

The fourth proportional to 111,632.16, 167,466.66 and 51,720.50 is: 77,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,632.16 : 167,466.66 = 51,720.50 : x
  2. Step 2: Convert to fraction form
    111,632.16/167,466.66 = 51,720.50/x
  3. Step 3: Cross multiply
    111,632.16x = 167,466.66 × 51,720.50
  4. Step 4: Simplify right side
    111,632.16x = 8,661,459,388.53
  5. Step 5: Solve for x
    x = 8,661,459,388.53/111,632.16
  6. Step 6: Final answer
    x = 77,589.28

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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.