Home / 107,015.70-160,408.35-40,430.10

Finding the Fourth Proportional to 107,015.70, 160,408.35 and 40,430.10

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Solution

The fourth proportional to 107,015.70, 160,408.35 and 40,430.10 is: 60,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,015.70 : 160,408.35 = 40,430.10 : x
  2. Step 2: Convert to fraction form
    107,015.70/160,408.35 = 40,430.10/x
  3. Step 3: Cross multiply
    107,015.70x = 160,408.35 × 40,430.10
  4. Step 4: Simplify right side
    107,015.70x = 6,485,325,631.34
  5. Step 5: Solve for x
    x = 6,485,325,631.34/107,015.70
  6. Step 6: Final answer
    x = 60,601.63

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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.