Home / 111,925.20-167,868.60-41,768.40

Finding the Fourth Proportional to 111,925.20, 167,868.60 and 41,768.40

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Solution

The fourth proportional to 111,925.20, 167,868.60 and 41,768.40 is: 62,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,925.20 : 167,868.60 = 41,768.40 : x
  2. Step 2: Convert to fraction form
    111,925.20/167,868.60 = 41,768.40/x
  3. Step 3: Cross multiply
    111,925.20x = 167,868.60 × 41,768.40
  4. Step 4: Simplify right side
    111,925.20x = 7,011,602,832.24
  5. Step 5: Solve for x
    x = 7,011,602,832.24/111,925.20
  6. Step 6: Final answer
    x = 62,645.43

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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.