Home / 45,765.15-63,161.22-27,870.63

Finding the Fourth Proportional to 45,765.15, 63,161.22 and 27,870.63

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Solution

The fourth proportional to 45,765.15, 63,161.22 and 27,870.63 is: 38,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,765.15 : 63,161.22 = 27,870.63 : x
  2. Step 2: Convert to fraction form
    45,765.15/63,161.22 = 27,870.63/x
  3. Step 3: Cross multiply
    45,765.15x = 63,161.22 × 27,870.63
  4. Step 4: Simplify right side
    45,765.15x = 1,760,342,992.97
  5. Step 5: Solve for x
    x = 1,760,342,992.97/45,765.15
  6. Step 6: Final answer
    x = 38,464.70

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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.