Home / 48,405.75-66,806.40-29,300.94

Finding the Fourth Proportional to 48,405.75, 66,806.40 and 29,300.94

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Solution

The fourth proportional to 48,405.75, 66,806.40 and 29,300.94 is: 40,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,405.75 : 66,806.40 = 29,300.94 : x
  2. Step 2: Convert to fraction form
    48,405.75/66,806.40 = 29,300.94/x
  3. Step 3: Cross multiply
    48,405.75x = 66,806.40 × 29,300.94
  4. Step 4: Simplify right side
    48,405.75x = 1,957,490,318.02
  5. Step 5: Solve for x
    x = 1,957,490,318.02/48,405.75
  6. Step 6: Final answer
    x = 40,439.21

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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.