Home / 76,259.75-114,386.85-20,098.94

Finding the Fourth Proportional to 76,259.75, 114,386.85 and 20,098.94

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Solution

The fourth proportional to 76,259.75, 114,386.85 and 20,098.94 is: 30,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,259.75 : 114,386.85 = 20,098.94 : x
  2. Step 2: Convert to fraction form
    76,259.75/114,386.85 = 20,098.94/x
  3. Step 3: Cross multiply
    76,259.75x = 114,386.85 × 20,098.94
  4. Step 4: Simplify right side
    76,259.75x = 2,299,053,863.00
  5. Step 5: Solve for x
    x = 2,299,053,863.00/76,259.75
  6. Step 6: Final answer
    x = 30,147.67

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1.5x scale

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.