Home / 48,761.45-67,290.78-26,405.45

Finding the Fourth Proportional to 48,761.45, 67,290.78 and 26,405.45

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Solution

The fourth proportional to 48,761.45, 67,290.78 and 26,405.45 is: 36,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,761.45 : 67,290.78 = 26,405.45 : x
  2. Step 2: Convert to fraction form
    48,761.45/67,290.78 = 26,405.45/x
  3. Step 3: Cross multiply
    48,761.45x = 67,290.78 × 26,405.45
  4. Step 4: Simplify right side
    48,761.45x = 1,776,843,326.75
  5. Step 5: Solve for x
    x = 1,776,843,326.75/48,761.45
  6. Step 6: Final answer
    x = 36,439.51

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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.