Home / 75,091.32-103,637.64-42,825.98

Finding the Fourth Proportional to 75,091.32, 103,637.64 and 42,825.98

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Solution

The fourth proportional to 75,091.32, 103,637.64 and 42,825.98 is: 59,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,091.32 : 103,637.64 = 42,825.98 : x
  2. Step 2: Convert to fraction form
    75,091.32/103,637.64 = 42,825.98/x
  3. Step 3: Cross multiply
    75,091.32x = 103,637.64 × 42,825.98
  4. Step 4: Simplify right side
    75,091.32x = 4,438,383,917.58
  5. Step 5: Solve for x
    x = 4,438,383,917.58/75,091.32
  6. Step 6: Final answer
    x = 59,106.48

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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.