Home / 77,072.05-106,360.16-45,241.48

Finding the Fourth Proportional to 77,072.05, 106,360.16 and 45,241.48

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Solution

The fourth proportional to 77,072.05, 106,360.16 and 45,241.48 is: 62,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,072.05 : 106,360.16 = 45,241.48 : x
  2. Step 2: Convert to fraction form
    77,072.05/106,360.16 = 45,241.48/x
  3. Step 3: Cross multiply
    77,072.05x = 106,360.16 × 45,241.48
  4. Step 4: Simplify right side
    77,072.05x = 4,811,891,051.44
  5. Step 5: Solve for x
    x = 4,811,891,051.44/77,072.05
  6. Step 6: Final answer
    x = 62,433.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.