Home / 51,325.55-77,022.95-18,045.79

Finding the Fourth Proportional to 51,325.55, 77,022.95 and 18,045.79

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Solution

The fourth proportional to 51,325.55, 77,022.95 and 18,045.79 is: 27,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,325.55 : 77,022.95 = 18,045.79 : x
  2. Step 2: Convert to fraction form
    51,325.55/77,022.95 = 18,045.79/x
  3. Step 3: Cross multiply
    51,325.55x = 77,022.95 × 18,045.79
  4. Step 4: Simplify right side
    51,325.55x = 1,389,939,799.60
  5. Step 5: Solve for x
    x = 1,389,939,799.60/51,325.55
  6. Step 6: Final answer
    x = 27,080.86

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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.