Home / 74,326.91-102,570.60-40,334.52

Finding the Fourth Proportional to 74,326.91, 102,570.60 and 40,334.52

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Solution

The fourth proportional to 74,326.91, 102,570.60 and 40,334.52 is: 55,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,326.91 : 102,570.60 = 40,334.52 : x
  2. Step 2: Convert to fraction form
    74,326.91/102,570.60 = 40,334.52/x
  3. Step 3: Cross multiply
    74,326.91x = 102,570.60 × 40,334.52
  4. Step 4: Simplify right side
    74,326.91x = 4,137,135,917.11
  5. Step 5: Solve for x
    x = 4,137,135,917.11/74,326.91
  6. Step 6: Final answer
    x = 55,661.35

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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.