Home / 68,518.25-94,555.86-38,305.23

Finding the Fourth Proportional to 68,518.25, 94,555.86 and 38,305.23

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Solution

The fourth proportional to 68,518.25, 94,555.86 and 38,305.23 is: 52,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,518.25 : 94,555.86 = 38,305.23 : x
  2. Step 2: Convert to fraction form
    68,518.25/94,555.86 = 38,305.23/x
  3. Step 3: Cross multiply
    68,518.25x = 94,555.86 × 38,305.23
  4. Step 4: Simplify right side
    68,518.25x = 3,621,983,492.37
  5. Step 5: Solve for x
    x = 3,621,983,492.37/68,518.25
  6. Step 6: Final answer
    x = 52,861.59

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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.