Home / 56,128.70-77,467.64-33,469.15

Finding the Fourth Proportional to 56,128.70, 77,467.64 and 33,469.15

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Solution

The fourth proportional to 56,128.70, 77,467.64 and 33,469.15 is: 46,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,128.70 : 77,467.64 = 33,469.15 : x
  2. Step 2: Convert to fraction form
    56,128.70/77,467.64 = 33,469.15/x
  3. Step 3: Cross multiply
    56,128.70x = 77,467.64 × 33,469.15
  4. Step 4: Simplify right side
    56,128.70x = 2,592,776,063.31
  5. Step 5: Solve for x
    x = 2,592,776,063.31/56,128.70
  6. Step 6: Final answer
    x = 46,193.41

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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.