Home / 70,289.60-96,997.24-40,084.65

Finding the Fourth Proportional to 70,289.60, 96,997.24 and 40,084.65

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Solution

The fourth proportional to 70,289.60, 96,997.24 and 40,084.65 is: 55,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,289.60 : 96,997.24 = 40,084.65 : x
  2. Step 2: Convert to fraction form
    70,289.60/96,997.24 = 40,084.65/x
  3. Step 3: Cross multiply
    70,289.60x = 96,997.24 × 40,084.65
  4. Step 4: Simplify right side
    70,289.60x = 3,888,100,558.65
  5. Step 5: Solve for x
    x = 3,888,100,558.65/70,289.60
  6. Step 6: Final answer
    x = 55,315.45

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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.