Home / 126,581.45-189,891.05-46,613.26

Finding the Fourth Proportional to 126,581.45, 189,891.05 and 46,613.26

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Solution

The fourth proportional to 126,581.45, 189,891.05 and 46,613.26 is: 69,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,581.45 : 189,891.05 = 46,613.26 : x
  2. Step 2: Convert to fraction form
    126,581.45/189,891.05 = 46,613.26/x
  3. Step 3: Cross multiply
    126,581.45x = 189,891.05 × 46,613.26
  4. Step 4: Simplify right side
    126,581.45x = 8,851,440,688.14
  5. Step 5: Solve for x
    x = 8,851,440,688.14/126,581.45
  6. Step 6: Final answer
    x = 69,926.84

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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.