Home / 63,035.20-86,992.70-36,186.40

Finding the Fourth Proportional to 63,035.20, 86,992.70 and 36,186.40

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Solution

The fourth proportional to 63,035.20, 86,992.70 and 36,186.40 is: 49,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,035.20 : 86,992.70 = 36,186.40 : x
  2. Step 2: Convert to fraction form
    63,035.20/86,992.70 = 36,186.40/x
  3. Step 3: Cross multiply
    63,035.20x = 86,992.70 × 36,186.40
  4. Step 4: Simplify right side
    63,035.20x = 3,147,952,639.28
  5. Step 5: Solve for x
    x = 3,147,952,639.28/63,035.20
  6. Step 6: Final answer
    x = 49,939.60

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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.