Home / 75,420.52-104,081.19-41,429.80

Finding the Fourth Proportional to 75,420.52, 104,081.19 and 41,429.80

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Solution

The fourth proportional to 75,420.52, 104,081.19 and 41,429.80 is: 57,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,420.52 : 104,081.19 = 41,429.80 : x
  2. Step 2: Convert to fraction form
    75,420.52/104,081.19 = 41,429.80/x
  3. Step 3: Cross multiply
    75,420.52x = 104,081.19 × 41,429.80
  4. Step 4: Simplify right side
    75,420.52x = 4,312,062,885.46
  5. Step 5: Solve for x
    x = 4,312,062,885.46/75,420.52
  6. Step 6: Final answer
    x = 57,173.60

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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.