Home / 75,276.72-103,645.44-63,922.32

Finding the Fourth Proportional to 75,276.72, 103,645.44 and 63,922.32

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Solution

The fourth proportional to 75,276.72, 103,645.44 and 63,922.32 is: 88,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.72 : 103,645.44 = 63,922.32 : x
  2. Step 2: Convert to fraction form
    75,276.72/103,645.44 = 63,922.32/x
  3. Step 3: Cross multiply
    75,276.72x = 103,645.44 × 63,922.32
  4. Step 4: Simplify right side
    75,276.72x = 6,625,256,982.22
  5. Step 5: Solve for x
    x = 6,625,256,982.22/75,276.72
  6. Step 6: Final answer
    x = 88,012.03

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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.