Home / 54,295.32-81,071.64-48,636.48

Finding the Fourth Proportional to 54,295.32, 81,071.64 and 48,636.48

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Solution

The fourth proportional to 54,295.32, 81,071.64 and 48,636.48 is: 72,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,295.32 : 81,071.64 = 48,636.48 : x
  2. Step 2: Convert to fraction form
    54,295.32/81,071.64 = 48,636.48/x
  3. Step 3: Cross multiply
    54,295.32x = 81,071.64 × 48,636.48
  4. Step 4: Simplify right side
    54,295.32x = 3,943,039,197.43
  5. Step 5: Solve for x
    x = 3,943,039,197.43/54,295.32
  6. Step 6: Final answer
    x = 72,622.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.