Home / 56,128.41-77,437.66-35,996.39

Finding the Fourth Proportional to 56,128.41, 77,437.66 and 35,996.39

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Solution

The fourth proportional to 56,128.41, 77,437.66 and 35,996.39 is: 49,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,128.41 : 77,437.66 = 35,996.39 : x
  2. Step 2: Convert to fraction form
    56,128.41/77,437.66 = 35,996.39/x
  3. Step 3: Cross multiply
    56,128.41x = 77,437.66 × 35,996.39
  4. Step 4: Simplify right side
    56,128.41x = 2,787,476,210.05
  5. Step 5: Solve for x
    x = 2,787,476,210.05/56,128.41
  6. Step 6: Final answer
    x = 49,662.48

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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.