Home / 75,125.60-103,670.12-41,133.47

Finding the Fourth Proportional to 75,125.60, 103,670.12 and 41,133.47

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Solution

The fourth proportional to 75,125.60, 103,670.12 and 41,133.47 is: 56,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,125.60 : 103,670.12 = 41,133.47 : x
  2. Step 2: Convert to fraction form
    75,125.60/103,670.12 = 41,133.47/x
  3. Step 3: Cross multiply
    75,125.60x = 103,670.12 × 41,133.47
  4. Step 4: Simplify right side
    75,125.60x = 4,264,311,770.92
  5. Step 5: Solve for x
    x = 4,264,311,770.92/75,125.60
  6. Step 6: Final answer
    x = 56,762.43

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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.