Home / 48,461.30-72,683.49-12,923.06

Finding the Fourth Proportional to 48,461.30, 72,683.49 and 12,923.06

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Solution

The fourth proportional to 48,461.30, 72,683.49 and 12,923.06 is: 19,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,461.30 : 72,683.49 = 12,923.06 : x
  2. Step 2: Convert to fraction form
    48,461.30/72,683.49 = 12,923.06/x
  3. Step 3: Cross multiply
    48,461.30x = 72,683.49 × 12,923.06
  4. Step 4: Simplify right side
    48,461.30x = 939,293,102.28
  5. Step 5: Solve for x
    x = 939,293,102.28/48,461.30
  6. Step 6: Final answer
    x = 19,382.33

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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.