Home / 111,684.12-154,125.62-60,697.86

Finding the Fourth Proportional to 111,684.12, 154,125.62 and 60,697.86

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Solution

The fourth proportional to 111,684.12, 154,125.62 and 60,697.86 is: 83,763.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,684.12 : 154,125.62 = 60,697.86 : x
  2. Step 2: Convert to fraction form
    111,684.12/154,125.62 = 60,697.86/x
  3. Step 3: Cross multiply
    111,684.12x = 154,125.62 × 60,697.86
  4. Step 4: Simplify right side
    111,684.12x = 9,355,095,305.17
  5. Step 5: Solve for x
    x = 9,355,095,305.17/111,684.12
  6. Step 6: Final answer
    x = 83,763.88

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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.