Home / 171,821.30-257,670.14-59,471

Finding the Fourth Proportional to 171,821.30, 257,670.14 and 59,471

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Solution

The fourth proportional to 171,821.30, 257,670.14 and 59,471 is: 89,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,821.30 : 257,670.14 = 59,471 : x
  2. Step 2: Convert to fraction form
    171,821.30/257,670.14 = 59,471/x
  3. Step 3: Cross multiply
    171,821.30x = 257,670.14 × 59,471
  4. Step 4: Simplify right side
    171,821.30x = 15,323,900,895.94
  5. Step 5: Solve for x
    x = 15,323,900,895.94/171,821.30
  6. Step 6: Final answer
    x = 89,185.11

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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.