Home / 75,977.44-113,866.88-54,988.16

Finding the Fourth Proportional to 75,977.44, 113,866.88 and 54,988.16

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Solution

The fourth proportional to 75,977.44, 113,866.88 and 54,988.16 is: 82,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,977.44 : 113,866.88 = 54,988.16 : x
  2. Step 2: Convert to fraction form
    75,977.44/113,866.88 = 54,988.16/x
  3. Step 3: Cross multiply
    75,977.44x = 113,866.88 × 54,988.16
  4. Step 4: Simplify right side
    75,977.44x = 6,261,330,216.14
  5. Step 5: Solve for x
    x = 6,261,330,216.14/75,977.44
  6. Step 6: Final answer
    x = 82,410.39

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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.