Home / 75,144.01-103,675.26-43,308.58

Finding the Fourth Proportional to 75,144.01, 103,675.26 and 43,308.58

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Solution

The fourth proportional to 75,144.01, 103,675.26 and 43,308.58 is: 59,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144.01 : 103,675.26 = 43,308.58 : x
  2. Step 2: Convert to fraction form
    75,144.01/103,675.26 = 43,308.58/x
  3. Step 3: Cross multiply
    75,144.01x = 103,675.26 × 43,308.58
  4. Step 4: Simplify right side
    75,144.01x = 4,490,028,291.73
  5. Step 5: Solve for x
    x = 4,490,028,291.73/75,144.01
  6. Step 6: Final answer
    x = 59,752.31

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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.