Home / 77,576.44-116,225.52-47,126.20

Finding the Fourth Proportional to 77,576.44, 116,225.52 and 47,126.20

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Solution

The fourth proportional to 77,576.44, 116,225.52 and 47,126.20 is: 70,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,576.44 : 116,225.52 = 47,126.20 : x
  2. Step 2: Convert to fraction form
    77,576.44/116,225.52 = 47,126.20/x
  3. Step 3: Cross multiply
    77,576.44x = 116,225.52 × 47,126.20
  4. Step 4: Simplify right side
    77,576.44x = 5,477,267,100.62
  5. Step 5: Solve for x
    x = 5,477,267,100.62/77,576.44
  6. Step 6: Final answer
    x = 70,604.78

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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.