Home / 34,085.10-51,130.21-9,124.59

Finding the Fourth Proportional to 34,085.10, 51,130.21 and 9,124.59

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Solution

The fourth proportional to 34,085.10, 51,130.21 and 9,124.59 is: 13,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085.10 : 51,130.21 = 9,124.59 : x
  2. Step 2: Convert to fraction form
    34,085.10/51,130.21 = 9,124.59/x
  3. Step 3: Cross multiply
    34,085.10x = 51,130.21 × 9,124.59
  4. Step 4: Simplify right side
    34,085.10x = 466,542,307.88
  5. Step 5: Solve for x
    x = 466,542,307.88/34,085.10
  6. Step 6: Final answer
    x = 13,687.57

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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.