Home / 75,918.56-113,098.39-72,506.84

Finding the Fourth Proportional to 75,918.56, 113,098.39 and 72,506.84

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Solution

The fourth proportional to 75,918.56, 113,098.39 and 72,506.84 is: 108,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,918.56 : 113,098.39 = 72,506.84 : x
  2. Step 2: Convert to fraction form
    75,918.56/113,098.39 = 72,506.84/x
  3. Step 3: Cross multiply
    75,918.56x = 113,098.39 × 72,506.84
  4. Step 4: Simplify right side
    75,918.56x = 8,200,406,867.99
  5. Step 5: Solve for x
    x = 8,200,406,867.99/75,918.56
  6. Step 6: Final answer
    x = 108,015.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.