Home / 77,161.55-106,459.31-50,294.25

Finding the Fourth Proportional to 77,161.55, 106,459.31 and 50,294.25

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Solution

The fourth proportional to 77,161.55, 106,459.31 and 50,294.25 is: 69,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161.55 : 106,459.31 = 50,294.25 : x
  2. Step 2: Convert to fraction form
    77,161.55/106,459.31 = 50,294.25/x
  3. Step 3: Cross multiply
    77,161.55x = 106,459.31 × 50,294.25
  4. Step 4: Simplify right side
    77,161.55x = 5,354,291,277.70
  5. Step 5: Solve for x
    x = 5,354,291,277.70/77,161.55
  6. Step 6: Final answer
    x = 69,390.67

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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.