Home / 48,983.34-67,534.41-31,725.21

Finding the Fourth Proportional to 48,983.34, 67,534.41 and 31,725.21

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Solution

The fourth proportional to 48,983.34, 67,534.41 and 31,725.21 is: 43,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,983.34 : 67,534.41 = 31,725.21 : x
  2. Step 2: Convert to fraction form
    48,983.34/67,534.41 = 31,725.21/x
  3. Step 3: Cross multiply
    48,983.34x = 67,534.41 × 31,725.21
  4. Step 4: Simplify right side
    48,983.34x = 2,142,543,339.48
  5. Step 5: Solve for x
    x = 2,142,543,339.48/48,983.34
  6. Step 6: Final answer
    x = 43,740.25

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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.