Home / 48,456.99-72,667.04-31,812.57

Finding the Fourth Proportional to 48,456.99, 72,667.04 and 31,812.57

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Solution

The fourth proportional to 48,456.99, 72,667.04 and 31,812.57 is: 47,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456.99 : 72,667.04 = 31,812.57 : x
  2. Step 2: Convert to fraction form
    48,456.99/72,667.04 = 31,812.57/x
  3. Step 3: Cross multiply
    48,456.99x = 72,667.04 × 31,812.57
  4. Step 4: Simplify right side
    48,456.99x = 2,311,725,137.63
  5. Step 5: Solve for x
    x = 2,311,725,137.63/48,456.99
  6. Step 6: Final answer
    x = 47,706.74

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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.