Home / 111,973.23-154,523.05-61,672.23

Finding the Fourth Proportional to 111,973.23, 154,523.05 and 61,672.23

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Solution

The fourth proportional to 111,973.23, 154,523.05 and 61,672.23 is: 85,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,973.23 : 154,523.05 = 61,672.23 : x
  2. Step 2: Convert to fraction form
    111,973.23/154,523.05 = 61,672.23/x
  3. Step 3: Cross multiply
    111,973.23x = 154,523.05 × 61,672.23
  4. Step 4: Simplify right side
    111,973.23x = 9,529,780,925.72
  5. Step 5: Solve for x
    x = 9,529,780,925.72/111,973.23
  6. Step 6: Final answer
    x = 85,107.67

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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.