Home / 75,066.22-112,645.49-30,693.20

Finding the Fourth Proportional to 75,066.22, 112,645.49 and 30,693.20

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Solution

The fourth proportional to 75,066.22, 112,645.49 and 30,693.20 is: 46,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,066.22 : 112,645.49 = 30,693.20 : x
  2. Step 2: Convert to fraction form
    75,066.22/112,645.49 = 30,693.20/x
  3. Step 3: Cross multiply
    75,066.22x = 112,645.49 × 30,693.20
  4. Step 4: Simplify right side
    75,066.22x = 3,457,450,553.67
  5. Step 5: Solve for x
    x = 3,457,450,553.67/75,066.22
  6. Step 6: Final answer
    x = 46,058.67

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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.