Home / 99,895.33-137,858.23-54,575.22

Finding the Fourth Proportional to 99,895.33, 137,858.23 and 54,575.22

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Solution

The fourth proportional to 99,895.33, 137,858.23 and 54,575.22 is: 75,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,895.33 : 137,858.23 = 54,575.22 : x
  2. Step 2: Convert to fraction form
    99,895.33/137,858.23 = 54,575.22/x
  3. Step 3: Cross multiply
    99,895.33x = 137,858.23 × 54,575.22
  4. Step 4: Simplify right side
    99,895.33x = 7,523,642,887.30
  5. Step 5: Solve for x
    x = 7,523,642,887.30/99,895.33
  6. Step 6: Final answer
    x = 75,315.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.