Home / 75,668.04-113,508.59-19,507.67

Finding the Fourth Proportional to 75,668.04, 113,508.59 and 19,507.67

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Solution

The fourth proportional to 75,668.04, 113,508.59 and 19,507.67 is: 29,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,668.04 : 113,508.59 = 19,507.67 : x
  2. Step 2: Convert to fraction form
    75,668.04/113,508.59 = 19,507.67/x
  3. Step 3: Cross multiply
    75,668.04x = 113,508.59 × 19,507.67
  4. Step 4: Simplify right side
    75,668.04x = 2,214,288,115.89
  5. Step 5: Solve for x
    x = 2,214,288,115.89/75,668.04
  6. Step 6: Final answer
    x = 29,263.19

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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.