Home / 76,381.51-114,584.96-32,011.60

Finding the Fourth Proportional to 76,381.51, 114,584.96 and 32,011.60

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Solution

The fourth proportional to 76,381.51, 114,584.96 and 32,011.60 is: 48,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,381.51 : 114,584.96 = 32,011.60 : x
  2. Step 2: Convert to fraction form
    76,381.51/114,584.96 = 32,011.60/x
  3. Step 3: Cross multiply
    76,381.51x = 114,584.96 × 32,011.60
  4. Step 4: Simplify right side
    76,381.51x = 3,668,047,905.54
  5. Step 5: Solve for x
    x = 3,668,047,905.54/76,381.51
  6. Step 6: Final answer
    x = 48,022.72

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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.