Home / 90,350.44-135,649.78-46,006.98

Finding the Fourth Proportional to 90,350.44, 135,649.78 and 46,006.98

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Solution

The fourth proportional to 90,350.44, 135,649.78 and 46,006.98 is: 69,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,350.44 : 135,649.78 = 46,006.98 : x
  2. Step 2: Convert to fraction form
    90,350.44/135,649.78 = 46,006.98/x
  3. Step 3: Cross multiply
    90,350.44x = 135,649.78 × 46,006.98
  4. Step 4: Simplify right side
    90,350.44x = 6,240,836,715.46
  5. Step 5: Solve for x
    x = 6,240,836,715.46/90,350.44
  6. Step 6: Final answer
    x = 69,073.67

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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.