Home / 45,221.51-62,405.71-25,078.64

Finding the Fourth Proportional to 45,221.51, 62,405.71 and 25,078.64

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Solution

The fourth proportional to 45,221.51, 62,405.71 and 25,078.64 is: 34,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,221.51 : 62,405.71 = 25,078.64 : x
  2. Step 2: Convert to fraction form
    45,221.51/62,405.71 = 25,078.64/x
  3. Step 3: Cross multiply
    45,221.51x = 62,405.71 × 25,078.64
  4. Step 4: Simplify right side
    45,221.51x = 1,565,049,960.31
  5. Step 5: Solve for x
    x = 1,565,049,960.31/45,221.51
  6. Step 6: Final answer
    x = 34,608.53

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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.