Home / 51,750.09-77,606.06-18,461.25

Finding the Fourth Proportional to 51,750.09, 77,606.06 and 18,461.25

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Solution

The fourth proportional to 51,750.09, 77,606.06 and 18,461.25 is: 27,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,750.09 : 77,606.06 = 18,461.25 : x
  2. Step 2: Convert to fraction form
    51,750.09/77,606.06 = 18,461.25/x
  3. Step 3: Cross multiply
    51,750.09x = 77,606.06 × 18,461.25
  4. Step 4: Simplify right side
    51,750.09x = 1,432,704,782.87
  5. Step 5: Solve for x
    x = 1,432,704,782.87/51,750.09
  6. Step 6: Final answer
    x = 27,685.07

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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.