Home / 68,320.85-94,290.98-40,026.51

Finding the Fourth Proportional to 68,320.85, 94,290.98 and 40,026.51

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Solution

The fourth proportional to 68,320.85, 94,290.98 and 40,026.51 is: 55,241.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,320.85 : 94,290.98 = 40,026.51 : x
  2. Step 2: Convert to fraction form
    68,320.85/94,290.98 = 40,026.51/x
  3. Step 3: Cross multiply
    68,320.85x = 94,290.98 × 40,026.51
  4. Step 4: Simplify right side
    68,320.85x = 3,774,138,653.75
  5. Step 5: Solve for x
    x = 3,774,138,653.75/68,320.85
  6. Step 6: Final answer
    x = 55,241.39

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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.