Home / 111,457.23-167,057.10-51,360.08

Finding the Fourth Proportional to 111,457.23, 167,057.10 and 51,360.08

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Solution

The fourth proportional to 111,457.23, 167,057.10 and 51,360.08 is: 76,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,457.23 : 167,057.10 = 51,360.08 : x
  2. Step 2: Convert to fraction form
    111,457.23/167,057.10 = 51,360.08/x
  3. Step 3: Cross multiply
    111,457.23x = 167,057.10 × 51,360.08
  4. Step 4: Simplify right side
    111,457.23x = 8,580,065,185.28
  5. Step 5: Solve for x
    x = 8,580,065,185.28/111,457.23
  6. Step 6: Final answer
    x = 76,980.79

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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.