Home / 68,135.51-94,026.26-37,920.32

Finding the Fourth Proportional to 68,135.51, 94,026.26 and 37,920.32

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Solution

The fourth proportional to 68,135.51, 94,026.26 and 37,920.32 is: 52,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,135.51 : 94,026.26 = 37,920.32 : x
  2. Step 2: Convert to fraction form
    68,135.51/94,026.26 = 37,920.32/x
  3. Step 3: Cross multiply
    68,135.51x = 94,026.26 × 37,920.32
  4. Step 4: Simplify right side
    68,135.51x = 3,565,505,207.87
  5. Step 5: Solve for x
    x = 3,565,505,207.87/68,135.51
  6. Step 6: Final answer
    x = 52,329.62

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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.