Home / 48,443.80-72,621.74-43,195

Finding the Fourth Proportional to 48,443.80, 72,621.74 and 43,195

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Solution

The fourth proportional to 48,443.80, 72,621.74 and 43,195 is: 64,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.80 : 72,621.74 = 43,195 : x
  2. Step 2: Convert to fraction form
    48,443.80/72,621.74 = 43,195/x
  3. Step 3: Cross multiply
    48,443.80x = 72,621.74 × 43,195
  4. Step 4: Simplify right side
    48,443.80x = 3,136,896,059.30
  5. Step 5: Solve for x
    x = 3,136,896,059.30/48,443.80
  6. Step 6: Final answer
    x = 64,753.30

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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.