Home / 54,312.41-81,474.77-48,731.47

Finding the Fourth Proportional to 54,312.41, 81,474.77 and 48,731.47

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Solution

The fourth proportional to 54,312.41, 81,474.77 and 48,731.47 is: 73,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.41 : 81,474.77 = 48,731.47 : x
  2. Step 2: Convert to fraction form
    54,312.41/81,474.77 = 48,731.47/x
  3. Step 3: Cross multiply
    54,312.41x = 81,474.77 × 48,731.47
  4. Step 4: Simplify right side
    54,312.41x = 3,970,385,228.15
  5. Step 5: Solve for x
    x = 3,970,385,228.15/54,312.41
  6. Step 6: Final answer
    x = 73,102.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.