Home / 49,869.10-74,621.40-36,747.10

Finding the Fourth Proportional to 49,869.10, 74,621.40 and 36,747.10

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Solution

The fourth proportional to 49,869.10, 74,621.40 and 36,747.10 is: 54,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.10 : 74,621.40 = 36,747.10 : x
  2. Step 2: Convert to fraction form
    49,869.10/74,621.40 = 36,747.10/x
  3. Step 3: Cross multiply
    49,869.10x = 74,621.40 × 36,747.10
  4. Step 4: Simplify right side
    49,869.10x = 2,742,120,047.94
  5. Step 5: Solve for x
    x = 2,742,120,047.94/49,869.10
  6. Step 6: Final answer
    x = 54,986.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.