Home / 111,856.75-167,685.64-40,766.02

Finding the Fourth Proportional to 111,856.75, 167,685.64 and 40,766.02

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Solution

The fourth proportional to 111,856.75, 167,685.64 and 40,766.02 is: 61,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,856.75 : 167,685.64 = 40,766.02 : x
  2. Step 2: Convert to fraction form
    111,856.75/167,685.64 = 40,766.02/x
  3. Step 3: Cross multiply
    111,856.75x = 167,685.64 × 40,766.02
  4. Step 4: Simplify right side
    111,856.75x = 6,835,875,632.82
  5. Step 5: Solve for x
    x = 6,835,875,632.82/111,856.75
  6. Step 6: Final answer
    x = 61,112.77

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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.