Home / 51,973.41-77,959.43-12,530.21

Finding the Fourth Proportional to 51,973.41, 77,959.43 and 12,530.21

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Solution

The fourth proportional to 51,973.41, 77,959.43 and 12,530.21 is: 18,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,973.41 : 77,959.43 = 12,530.21 : x
  2. Step 2: Convert to fraction form
    51,973.41/77,959.43 = 12,530.21/x
  3. Step 3: Cross multiply
    51,973.41x = 77,959.43 × 12,530.21
  4. Step 4: Simplify right side
    51,973.41x = 976,847,623.92
  5. Step 5: Solve for x
    x = 976,847,623.92/51,973.41
  6. Step 6: Final answer
    x = 18,795.14

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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.