Home / 68,410.24-94,407.68-40,136.32

Finding the Fourth Proportional to 68,410.24, 94,407.68 and 40,136.32

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Solution

The fourth proportional to 68,410.24, 94,407.68 and 40,136.32 is: 55,389.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,410.24 : 94,407.68 = 40,136.32 : x
  2. Step 2: Convert to fraction form
    68,410.24/94,407.68 = 40,136.32/x
  3. Step 3: Cross multiply
    68,410.24x = 94,407.68 × 40,136.32
  4. Step 4: Simplify right side
    68,410.24x = 3,789,176,854.94
  5. Step 5: Solve for x
    x = 3,789,176,854.94/68,410.24
  6. Step 6: Final answer
    x = 55,389.03

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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.