Home / 75,146.52-103,704.54-41,615.64

Finding the Fourth Proportional to 75,146.52, 103,704.54 and 41,615.64

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Solution

The fourth proportional to 75,146.52, 103,704.54 and 41,615.64 is: 57,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,146.52 : 103,704.54 = 41,615.64 : x
  2. Step 2: Convert to fraction form
    75,146.52/103,704.54 = 41,615.64/x
  3. Step 3: Cross multiply
    75,146.52x = 103,704.54 × 41,615.64
  4. Step 4: Simplify right side
    75,146.52x = 4,315,730,803.01
  5. Step 5: Solve for x
    x = 4,315,730,803.01/75,146.52
  6. Step 6: Final answer
    x = 57,430.88

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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.