Home / 71,327.67-98,437.77-39,499.53

Finding the Fourth Proportional to 71,327.67, 98,437.77 and 39,499.53

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Solution

The fourth proportional to 71,327.67, 98,437.77 and 39,499.53 is: 54,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327.67 : 98,437.77 = 39,499.53 : x
  2. Step 2: Convert to fraction form
    71,327.67/98,437.77 = 39,499.53/x
  3. Step 3: Cross multiply
    71,327.67x = 98,437.77 × 39,499.53
  4. Step 4: Simplify right side
    71,327.67x = 3,888,245,649.25
  5. Step 5: Solve for x
    x = 3,888,245,649.25/71,327.67
  6. Step 6: Final answer
    x = 54,512.44

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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.