Home / 51,970.05-77,954.94-12,527.10

Finding the Fourth Proportional to 51,970.05, 77,954.94 and 12,527.10

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Solution

The fourth proportional to 51,970.05, 77,954.94 and 12,527.10 is: 18,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,970.05 : 77,954.94 = 12,527.10 : x
  2. Step 2: Convert to fraction form
    51,970.05/77,954.94 = 12,527.10/x
  3. Step 3: Cross multiply
    51,970.05x = 77,954.94 × 12,527.10
  4. Step 4: Simplify right side
    51,970.05x = 976,549,328.87
  5. Step 5: Solve for x
    x = 976,549,328.87/51,970.05
  6. Step 6: Final answer
    x = 18,790.62

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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.