Home / 74,417.20-111,638.10-34,476.10

Finding the Fourth Proportional to 74,417.20, 111,638.10 and 34,476.10

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Solution

The fourth proportional to 74,417.20, 111,638.10 and 34,476.10 is: 51,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,417.20 : 111,638.10 = 34,476.10 : x
  2. Step 2: Convert to fraction form
    74,417.20/111,638.10 = 34,476.10/x
  3. Step 3: Cross multiply
    74,417.20x = 111,638.10 × 34,476.10
  4. Step 4: Simplify right side
    74,417.20x = 3,848,846,299.41
  5. Step 5: Solve for x
    x = 3,848,846,299.41/74,417.20
  6. Step 6: Final answer
    x = 51,719.85

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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.