Home / 53,668.49-80,531.09-38,998.67

Finding the Fourth Proportional to 53,668.49, 80,531.09 and 38,998.67

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Solution

The fourth proportional to 53,668.49, 80,531.09 and 38,998.67 is: 58,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,668.49 : 80,531.09 = 38,998.67 : x
  2. Step 2: Convert to fraction form
    53,668.49/80,531.09 = 38,998.67/x
  3. Step 3: Cross multiply
    53,668.49x = 80,531.09 × 38,998.67
  4. Step 4: Simplify right side
    53,668.49x = 3,140,605,208.66
  5. Step 5: Solve for x
    x = 3,140,605,208.66/53,668.49
  6. Step 6: Final answer
    x = 58,518.61

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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.