Home / 75,177.65-103,745.15-41,187.34

Finding the Fourth Proportional to 75,177.65, 103,745.15 and 41,187.34

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Solution

The fourth proportional to 75,177.65, 103,745.15 and 41,187.34 is: 56,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,177.65 : 103,745.15 = 41,187.34 : x
  2. Step 2: Convert to fraction form
    75,177.65/103,745.15 = 41,187.34/x
  3. Step 3: Cross multiply
    75,177.65x = 103,745.15 × 41,187.34
  4. Step 4: Simplify right side
    75,177.65x = 4,272,986,888.58
  5. Step 5: Solve for x
    x = 4,272,986,888.58/75,177.65
  6. Step 6: Final answer
    x = 56,838.53

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1.5x scale

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.