Home / 49,467.90-68,289.35-28,243.07

Finding the Fourth Proportional to 49,467.90, 68,289.35 and 28,243.07

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Solution

The fourth proportional to 49,467.90, 68,289.35 and 28,243.07 is: 38,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,467.90 : 68,289.35 = 28,243.07 : x
  2. Step 2: Convert to fraction form
    49,467.90/68,289.35 = 28,243.07/x
  3. Step 3: Cross multiply
    49,467.90x = 68,289.35 × 28,243.07
  4. Step 4: Simplify right side
    49,467.90x = 1,928,700,892.30
  5. Step 5: Solve for x
    x = 1,928,700,892.30/49,467.90
  6. Step 6: Final answer
    x = 38,988.94

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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.