Home / 68,031.12-93,872.64-37,816.68

Finding the Fourth Proportional to 68,031.12, 93,872.64 and 37,816.68

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Solution

The fourth proportional to 68,031.12, 93,872.64 and 37,816.68 is: 52,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,031.12 : 93,872.64 = 37,816.68 : x
  2. Step 2: Convert to fraction form
    68,031.12/93,872.64 = 37,816.68/x
  3. Step 3: Cross multiply
    68,031.12x = 93,872.64 × 37,816.68
  4. Step 4: Simplify right side
    68,031.12x = 3,549,951,587.64
  5. Step 5: Solve for x
    x = 3,549,951,587.64/68,031.12
  6. Step 6: Final answer
    x = 52,181.29

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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.