Home / 75,573.37-113,374.64-42,330.97

Finding the Fourth Proportional to 75,573.37, 113,374.64 and 42,330.97

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Solution

The fourth proportional to 75,573.37, 113,374.64 and 42,330.97 is: 63,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,573.37 : 113,374.64 = 42,330.97 : x
  2. Step 2: Convert to fraction form
    75,573.37/113,374.64 = 42,330.97/x
  3. Step 3: Cross multiply
    75,573.37x = 113,374.64 × 42,330.97
  4. Step 4: Simplify right side
    75,573.37x = 4,799,258,272.95
  5. Step 5: Solve for x
    x = 4,799,258,272.95/75,573.37
  6. Step 6: Final answer
    x = 63,504.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.