Home / 77,340.24-106,749.77-45,519.39

Finding the Fourth Proportional to 77,340.24, 106,749.77 and 45,519.39

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Solution

The fourth proportional to 77,340.24, 106,749.77 and 45,519.39 is: 62,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340.24 : 106,749.77 = 45,519.39 : x
  2. Step 2: Convert to fraction form
    77,340.24/106,749.77 = 45,519.39/x
  3. Step 3: Cross multiply
    77,340.24x = 106,749.77 × 45,519.39
  4. Step 4: Simplify right side
    77,340.24x = 4,859,184,185.44
  5. Step 5: Solve for x
    x = 4,859,184,185.44/77,340.24
  6. Step 6: Final answer
    x = 62,828.67

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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.