Home / 75,132.12-103,676.76-41,133.18

Finding the Fourth Proportional to 75,132.12, 103,676.76 and 41,133.18

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Solution

The fourth proportional to 75,132.12, 103,676.76 and 41,133.18 is: 56,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.12 : 103,676.76 = 41,133.18 : x
  2. Step 2: Convert to fraction form
    75,132.12/103,676.76 = 41,133.18/x
  3. Step 3: Cross multiply
    75,132.12x = 103,676.76 × 41,133.18
  4. Step 4: Simplify right side
    75,132.12x = 4,264,554,830.90
  5. Step 5: Solve for x
    x = 4,264,554,830.90/75,132.12
  6. Step 6: Final answer
    x = 56,760.74

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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.