Home / 75,905.40-113,858.10-23,314.80

Finding the Fourth Proportional to 75,905.40, 113,858.10 and 23,314.80

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Solution

The fourth proportional to 75,905.40, 113,858.10 and 23,314.80 is: 34,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,905.40 : 113,858.10 = 23,314.80 : x
  2. Step 2: Convert to fraction form
    75,905.40/113,858.10 = 23,314.80/x
  3. Step 3: Cross multiply
    75,905.40x = 113,858.10 × 23,314.80
  4. Step 4: Simplify right side
    75,905.40x = 2,654,578,829.88
  5. Step 5: Solve for x
    x = 2,654,578,829.88/75,905.40
  6. Step 6: Final answer
    x = 34,972.20

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Similar ratio
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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.