Home / 74,939.55-112,464.81-35,496.78

Finding the Fourth Proportional to 74,939.55, 112,464.81 and 35,496.78

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Solution

The fourth proportional to 74,939.55, 112,464.81 and 35,496.78 is: 53,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,939.55 : 112,464.81 = 35,496.78 : x
  2. Step 2: Convert to fraction form
    74,939.55/112,464.81 = 35,496.78/x
  3. Step 3: Cross multiply
    74,939.55x = 112,464.81 × 35,496.78
  4. Step 4: Simplify right side
    74,939.55x = 3,992,138,618.31
  5. Step 5: Solve for x
    x = 3,992,138,618.31/74,939.55
  6. Step 6: Final answer
    x = 53,271.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.