Home / 111,683.86-154,121.13-60,695.38

Finding the Fourth Proportional to 111,683.86, 154,121.13 and 60,695.38

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Solution

The fourth proportional to 111,683.86, 154,121.13 and 60,695.38 is: 83,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,683.86 : 154,121.13 = 60,695.38 : x
  2. Step 2: Convert to fraction form
    111,683.86/154,121.13 = 60,695.38/x
  3. Step 3: Cross multiply
    111,683.86x = 154,121.13 × 60,695.38
  4. Step 4: Simplify right side
    111,683.86x = 9,354,440,551.38
  5. Step 5: Solve for x
    x = 9,354,440,551.38/111,683.86
  6. Step 6: Final answer
    x = 83,758.21

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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.