Home / 91,908.07-137,887.11-35,750.36

Finding the Fourth Proportional to 91,908.07, 137,887.11 and 35,750.36

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Solution

The fourth proportional to 91,908.07, 137,887.11 and 35,750.36 is: 53,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,908.07 : 137,887.11 = 35,750.36 : x
  2. Step 2: Convert to fraction form
    91,908.07/137,887.11 = 35,750.36/x
  3. Step 3: Cross multiply
    91,908.07x = 137,887.11 × 35,750.36
  4. Step 4: Simplify right side
    91,908.07x = 4,929,514,166.58
  5. Step 5: Solve for x
    x = 4,929,514,166.58/91,908.07
  6. Step 6: Final answer
    x = 53,635.27

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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.