Home / 71,335.44-98,441.69-39,503.66

Finding the Fourth Proportional to 71,335.44, 98,441.69 and 39,503.66

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Solution

The fourth proportional to 71,335.44, 98,441.69 and 39,503.66 is: 54,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,335.44 : 98,441.69 = 39,503.66 : x
  2. Step 2: Convert to fraction form
    71,335.44/98,441.69 = 39,503.66/x
  3. Step 3: Cross multiply
    71,335.44x = 98,441.69 × 39,503.66
  4. Step 4: Simplify right side
    71,335.44x = 3,888,806,361.86
  5. Step 5: Solve for x
    x = 3,888,806,361.86/71,335.44
  6. Step 6: Final answer
    x = 54,514.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.