Home / 68,477.88-94,500.10-40,184.04

Finding the Fourth Proportional to 68,477.88, 94,500.10 and 40,184.04

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Solution

The fourth proportional to 68,477.88, 94,500.10 and 40,184.04 is: 55,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,477.88 : 94,500.10 = 40,184.04 : x
  2. Step 2: Convert to fraction form
    68,477.88/94,500.10 = 40,184.04/x
  3. Step 3: Cross multiply
    68,477.88x = 94,500.10 × 40,184.04
  4. Step 4: Simplify right side
    68,477.88x = 3,797,395,798.40
  5. Step 5: Solve for x
    x = 3,797,395,798.40/68,477.88
  6. Step 6: Final answer
    x = 55,454.34

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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.