Home / 74,675.68-103,054.56-42,850.24

Finding the Fourth Proportional to 74,675.68, 103,054.56 and 42,850.24

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Solution

The fourth proportional to 74,675.68, 103,054.56 and 42,850.24 is: 59,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675.68 : 103,054.56 = 42,850.24 : x
  2. Step 2: Convert to fraction form
    74,675.68/103,054.56 = 42,850.24/x
  3. Step 3: Cross multiply
    74,675.68x = 103,054.56 × 42,850.24
  4. Step 4: Simplify right side
    74,675.68x = 4,415,912,629.09
  5. Step 5: Solve for x
    x = 4,415,912,629.09/74,675.68
  6. Step 6: Final answer
    x = 59,134.55

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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.