Home / 84,539.08-116,656-50,540.80

Finding the Fourth Proportional to 84,539.08, 116,656 and 50,540.80

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Solution

The fourth proportional to 84,539.08, 116,656 and 50,540.80 is: 69,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,539.08 : 116,656 = 50,540.80 : x
  2. Step 2: Convert to fraction form
    84,539.08/116,656 = 50,540.80/x
  3. Step 3: Cross multiply
    84,539.08x = 116,656 × 50,540.80
  4. Step 4: Simplify right side
    84,539.08x = 5,895,887,564.80
  5. Step 5: Solve for x
    x = 5,895,887,564.80/84,539.08
  6. Step 6: Final answer
    x = 69,741.56

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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.