Home / 74,814.30-103,171.72-50,340.26

Finding the Fourth Proportional to 74,814.30, 103,171.72 and 50,340.26

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Solution

The fourth proportional to 74,814.30, 103,171.72 and 50,340.26 is: 69,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,814.30 : 103,171.72 = 50,340.26 : x
  2. Step 2: Convert to fraction form
    74,814.30/103,171.72 = 50,340.26/x
  3. Step 3: Cross multiply
    74,814.30x = 103,171.72 × 50,340.26
  4. Step 4: Simplify right side
    74,814.30x = 5,193,691,209.45
  5. Step 5: Solve for x
    x = 5,193,691,209.45/74,814.30
  6. Step 6: Final answer
    x = 69,421.10

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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.