Home / 111,571.56-167,357.40-70,047.72

Finding the Fourth Proportional to 111,571.56, 167,357.40 and 70,047.72

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Solution

The fourth proportional to 111,571.56, 167,357.40 and 70,047.72 is: 105,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,571.56 : 167,357.40 = 70,047.72 : x
  2. Step 2: Convert to fraction form
    111,571.56/167,357.40 = 70,047.72/x
  3. Step 3: Cross multiply
    111,571.56x = 167,357.40 × 70,047.72
  4. Step 4: Simplify right side
    111,571.56x = 11,723,004,295.13
  5. Step 5: Solve for x
    x = 11,723,004,295.13/111,571.56
  6. Step 6: Final answer
    x = 105,071.62

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1.5x scale

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.