Home / 75,146.34-103,700.79-41,154.56

Finding the Fourth Proportional to 75,146.34, 103,700.79 and 41,154.56

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Solution

The fourth proportional to 75,146.34, 103,700.79 and 41,154.56 is: 56,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,146.34 : 103,700.79 = 41,154.56 : x
  2. Step 2: Convert to fraction form
    75,146.34/103,700.79 = 41,154.56/x
  3. Step 3: Cross multiply
    75,146.34x = 103,700.79 × 41,154.56
  4. Step 4: Simplify right side
    75,146.34x = 4,267,760,384.10
  5. Step 5: Solve for x
    x = 4,267,760,384.10/75,146.34
  6. Step 6: Final answer
    x = 56,792.66

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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.