Home / 68,411.05-94,406.34-38,196.88

Finding the Fourth Proportional to 68,411.05, 94,406.34 and 38,196.88

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Solution

The fourth proportional to 68,411.05, 94,406.34 and 38,196.88 is: 52,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,411.05 : 94,406.34 = 38,196.88 : x
  2. Step 2: Convert to fraction form
    68,411.05/94,406.34 = 38,196.88/x
  3. Step 3: Cross multiply
    68,411.05x = 94,406.34 × 38,196.88
  4. Step 4: Simplify right side
    68,411.05x = 3,606,027,547.44
  5. Step 5: Solve for x
    x = 3,606,027,547.44/68,411.05
  6. Step 6: Final answer
    x = 52,711.19

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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.