Home / 51,128.11-76,573.13-49,354.59

Finding the Fourth Proportional to 51,128.11, 76,573.13 and 49,354.59

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Solution

The fourth proportional to 51,128.11, 76,573.13 and 49,354.59 is: 73,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.11 : 76,573.13 = 49,354.59 : x
  2. Step 2: Convert to fraction form
    51,128.11/76,573.13 = 49,354.59/x
  3. Step 3: Cross multiply
    51,128.11x = 76,573.13 × 49,354.59
  4. Step 4: Simplify right side
    51,128.11x = 3,779,235,747.02
  5. Step 5: Solve for x
    x = 3,779,235,747.02/51,128.11
  6. Step 6: Final answer
    x = 73,916.98

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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.