Home / 71,607.15-107,412.84-34,171.20

Finding the Fourth Proportional to 71,607.15, 107,412.84 and 34,171.20

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Solution

The fourth proportional to 71,607.15, 107,412.84 and 34,171.20 is: 51,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,607.15 : 107,412.84 = 34,171.20 : x
  2. Step 2: Convert to fraction form
    71,607.15/107,412.84 = 34,171.20/x
  3. Step 3: Cross multiply
    71,607.15x = 107,412.84 × 34,171.20
  4. Step 4: Simplify right side
    71,607.15x = 3,670,425,638.21
  5. Step 5: Solve for x
    x = 3,670,425,638.21/71,607.15
  6. Step 6: Final answer
    x = 51,257.81

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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.