Home / 76,041.75-113,986.08-31,693.05

Finding the Fourth Proportional to 76,041.75, 113,986.08 and 31,693.05

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Solution

The fourth proportional to 76,041.75, 113,986.08 and 31,693.05 is: 47,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,041.75 : 113,986.08 = 31,693.05 : x
  2. Step 2: Convert to fraction form
    76,041.75/113,986.08 = 31,693.05/x
  3. Step 3: Cross multiply
    76,041.75x = 113,986.08 × 31,693.05
  4. Step 4: Simplify right side
    76,041.75x = 3,612,566,532.74
  5. Step 5: Solve for x
    x = 3,612,566,532.74/76,041.75
  6. Step 6: Final answer
    x = 47,507.67

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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.