Home / 111,014.72-166,516.96-40,889.28

Finding the Fourth Proportional to 111,014.72, 166,516.96 and 40,889.28

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Solution

The fourth proportional to 111,014.72, 166,516.96 and 40,889.28 is: 61,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,014.72 : 166,516.96 = 40,889.28 : x
  2. Step 2: Convert to fraction form
    111,014.72/166,516.96 = 40,889.28/x
  3. Step 3: Cross multiply
    111,014.72x = 166,516.96 × 40,889.28
  4. Step 4: Simplify right side
    111,014.72x = 6,808,758,602.19
  5. Step 5: Solve for x
    x = 6,808,758,602.19/111,014.72
  6. Step 6: Final answer
    x = 61,332.03

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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.