Home / 171,721.49-257,579.40-47,062.49

Finding the Fourth Proportional to 171,721.49, 257,579.40 and 47,062.49

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Solution

The fourth proportional to 171,721.49, 257,579.40 and 47,062.49 is: 70,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,721.49 : 257,579.40 = 47,062.49 : x
  2. Step 2: Convert to fraction form
    171,721.49/257,579.40 = 47,062.49/x
  3. Step 3: Cross multiply
    171,721.49x = 257,579.40 × 47,062.49
  4. Step 4: Simplify right side
    171,721.49x = 12,122,327,936.71
  5. Step 5: Solve for x
    x = 12,122,327,936.71/171,721.49
  6. Step 6: Final answer
    x = 70,592.96

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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.