Home / 48,328.56-72,478.80-17,172.72

Finding the Fourth Proportional to 48,328.56, 72,478.80 and 17,172.72

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Solution

The fourth proportional to 48,328.56, 72,478.80 and 17,172.72 is: 25,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,328.56 : 72,478.80 = 17,172.72 : x
  2. Step 2: Convert to fraction form
    48,328.56/72,478.80 = 17,172.72/x
  3. Step 3: Cross multiply
    48,328.56x = 72,478.80 × 17,172.72
  4. Step 4: Simplify right side
    48,328.56x = 1,244,658,138.34
  5. Step 5: Solve for x
    x = 1,244,658,138.34/48,328.56
  6. Step 6: Final answer
    x = 25,754.09

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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.