Home / 74,326.80-102,571.04-40,335.14

Finding the Fourth Proportional to 74,326.80, 102,571.04 and 40,335.14

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Solution

The fourth proportional to 74,326.80, 102,571.04 and 40,335.14 is: 55,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,326.80 : 102,571.04 = 40,335.14 : x
  2. Step 2: Convert to fraction form
    74,326.80/102,571.04 = 40,335.14/x
  3. Step 3: Cross multiply
    74,326.80x = 102,571.04 × 40,335.14
  4. Step 4: Simplify right side
    74,326.80x = 4,137,217,258.35
  5. Step 5: Solve for x
    x = 4,137,217,258.35/74,326.80
  6. Step 6: Final answer
    x = 55,662.52

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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.