Home / 48,730.72-67,247.88-28,583.74

Finding the Fourth Proportional to 48,730.72, 67,247.88 and 28,583.74

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Solution

The fourth proportional to 48,730.72, 67,247.88 and 28,583.74 is: 39,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,730.72 : 67,247.88 = 28,583.74 : x
  2. Step 2: Convert to fraction form
    48,730.72/67,247.88 = 28,583.74/x
  3. Step 3: Cross multiply
    48,730.72x = 67,247.88 × 28,583.74
  4. Step 4: Simplify right side
    48,730.72x = 1,922,195,917.47
  5. Step 5: Solve for x
    x = 1,922,195,917.47/48,730.72
  6. Step 6: Final answer
    x = 39,445.26

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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.