Home / 45,973.20-63,449.84-28,078.48

Finding the Fourth Proportional to 45,973.20, 63,449.84 and 28,078.48

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Solution

The fourth proportional to 45,973.20, 63,449.84 and 28,078.48 is: 38,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,973.20 : 63,449.84 = 28,078.48 : x
  2. Step 2: Convert to fraction form
    45,973.20/63,449.84 = 28,078.48/x
  3. Step 3: Cross multiply
    45,973.20x = 63,449.84 × 28,078.48
  4. Step 4: Simplify right side
    45,973.20x = 1,781,575,063.44
  5. Step 5: Solve for x
    x = 1,781,575,063.44/45,973.20
  6. Step 6: Final answer
    x = 38,752.47

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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.