Home / 74,850.35-103,293.09-40,858.83

Finding the Fourth Proportional to 74,850.35, 103,293.09 and 40,858.83

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Solution

The fourth proportional to 74,850.35, 103,293.09 and 40,858.83 is: 56,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,850.35 : 103,293.09 = 40,858.83 : x
  2. Step 2: Convert to fraction form
    74,850.35/103,293.09 = 40,858.83/x
  3. Step 3: Cross multiply
    74,850.35x = 103,293.09 × 40,858.83
  4. Step 4: Simplify right side
    74,850.35x = 4,220,434,804.48
  5. Step 5: Solve for x
    x = 4,220,434,804.48/74,850.35
  6. Step 6: Final answer
    x = 56,384.97

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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.