Home / 98,684.92-136,181.82-56,257.12

Finding the Fourth Proportional to 98,684.92, 136,181.82 and 56,257.12

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Solution

The fourth proportional to 98,684.92, 136,181.82 and 56,257.12 is: 77,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,684.92 : 136,181.82 = 56,257.12 : x
  2. Step 2: Convert to fraction form
    98,684.92/136,181.82 = 56,257.12/x
  3. Step 3: Cross multiply
    98,684.92x = 136,181.82 × 56,257.12
  4. Step 4: Simplify right side
    98,684.92x = 7,661,196,989.56
  5. Step 5: Solve for x
    x = 7,661,196,989.56/98,684.92
  6. Step 6: Final answer
    x = 77,632.90

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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.