Home / 69,712.22-96,202.96-39,499.58

Finding the Fourth Proportional to 69,712.22, 96,202.96 and 39,499.58

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Solution

The fourth proportional to 69,712.22, 96,202.96 and 39,499.58 is: 54,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.22 : 96,202.96 = 39,499.58 : x
  2. Step 2: Convert to fraction form
    69,712.22/96,202.96 = 39,499.58/x
  3. Step 3: Cross multiply
    69,712.22x = 96,202.96 × 39,499.58
  4. Step 4: Simplify right side
    69,712.22x = 3,799,976,656.52
  5. Step 5: Solve for x
    x = 3,799,976,656.52/69,712.22
  6. Step 6: Final answer
    x = 54,509.48

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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.