Home / 68,457.36-94,461.12-38,238.96

Finding the Fourth Proportional to 68,457.36, 94,461.12 and 38,238.96

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Solution

The fourth proportional to 68,457.36, 94,461.12 and 38,238.96 is: 52,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,457.36 : 94,461.12 = 38,238.96 : x
  2. Step 2: Convert to fraction form
    68,457.36/94,461.12 = 38,238.96/x
  3. Step 3: Cross multiply
    68,457.36x = 94,461.12 × 38,238.96
  4. Step 4: Simplify right side
    68,457.36x = 3,612,094,989.24
  5. Step 5: Solve for x
    x = 3,612,094,989.24/68,457.36
  6. Step 6: Final answer
    x = 52,764.16

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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.