Home / 75,458.82-113,210.87-30,457.02

Finding the Fourth Proportional to 75,458.82, 113,210.87 and 30,457.02

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Solution

The fourth proportional to 75,458.82, 113,210.87 and 30,457.02 is: 45,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,458.82 : 113,210.87 = 30,457.02 : x
  2. Step 2: Convert to fraction form
    75,458.82/113,210.87 = 30,457.02/x
  3. Step 3: Cross multiply
    75,458.82x = 113,210.87 × 30,457.02
  4. Step 4: Simplify right side
    75,458.82x = 3,448,066,004.06
  5. Step 5: Solve for x
    x = 3,448,066,004.06/75,458.82
  6. Step 6: Final answer
    x = 45,694.67

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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.