Home / 45,780.93-63,170.39-25,638.66

Finding the Fourth Proportional to 45,780.93, 63,170.39 and 25,638.66

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Solution

The fourth proportional to 45,780.93, 63,170.39 and 25,638.66 is: 35,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,780.93 : 63,170.39 = 25,638.66 : x
  2. Step 2: Convert to fraction form
    45,780.93/63,170.39 = 25,638.66/x
  3. Step 3: Cross multiply
    45,780.93x = 63,170.39 × 25,638.66
  4. Step 4: Simplify right side
    45,780.93x = 1,619,604,023.08
  5. Step 5: Solve for x
    x = 1,619,604,023.08/45,780.93
  6. Step 6: Final answer
    x = 35,377.26

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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.