Home / 49,914.02-68,873.49-28,689.30

Finding the Fourth Proportional to 49,914.02, 68,873.49 and 28,689.30

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Solution

The fourth proportional to 49,914.02, 68,873.49 and 28,689.30 is: 39,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,914.02 : 68,873.49 = 28,689.30 : x
  2. Step 2: Convert to fraction form
    49,914.02/68,873.49 = 28,689.30/x
  3. Step 3: Cross multiply
    49,914.02x = 68,873.49 × 28,689.30
  4. Step 4: Simplify right side
    49,914.02x = 1,975,932,216.66
  5. Step 5: Solve for x
    x = 1,975,932,216.66/49,914.02
  6. Step 6: Final answer
    x = 39,586.72

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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.