Home / 85,215.21-117,597.45-49,426.44

Finding the Fourth Proportional to 85,215.21, 117,597.45 and 49,426.44

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Solution

The fourth proportional to 85,215.21, 117,597.45 and 49,426.44 is: 68,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215.21 : 117,597.45 = 49,426.44 : x
  2. Step 2: Convert to fraction form
    85,215.21/117,597.45 = 49,426.44/x
  3. Step 3: Cross multiply
    85,215.21x = 117,597.45 × 49,426.44
  4. Step 4: Simplify right side
    85,215.21x = 5,812,423,306.58
  5. Step 5: Solve for x
    x = 5,812,423,306.58/85,215.21
  6. Step 6: Final answer
    x = 68,208.75

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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.