Home / 70,745.05-106,124.46-25,778.62

Finding the Fourth Proportional to 70,745.05, 106,124.46 and 25,778.62

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Solution

The fourth proportional to 70,745.05, 106,124.46 and 25,778.62 is: 38,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,745.05 : 106,124.46 = 25,778.62 : x
  2. Step 2: Convert to fraction form
    70,745.05/106,124.46 = 25,778.62/x
  3. Step 3: Cross multiply
    70,745.05x = 106,124.46 × 25,778.62
  4. Step 4: Simplify right side
    70,745.05x = 2,735,742,127.05
  5. Step 5: Solve for x
    x = 2,735,742,127.05/70,745.05
  6. Step 6: Final answer
    x = 38,670.44

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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.