Home / 77,217.11-106,559.66-43,225.67

Finding the Fourth Proportional to 77,217.11, 106,559.66 and 43,225.67

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Solution

The fourth proportional to 77,217.11, 106,559.66 and 43,225.67 is: 59,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,217.11 : 106,559.66 = 43,225.67 : x
  2. Step 2: Convert to fraction form
    77,217.11/106,559.66 = 43,225.67/x
  3. Step 3: Cross multiply
    77,217.11x = 106,559.66 × 43,225.67
  4. Step 4: Simplify right side
    77,217.11x = 4,606,111,949.55
  5. Step 5: Solve for x
    x = 4,606,111,949.55/77,217.11
  6. Step 6: Final answer
    x = 59,651.44

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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.