Home / 75,338.16-103,935.52-43,484.48

Finding the Fourth Proportional to 75,338.16, 103,935.52 and 43,484.48

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Solution

The fourth proportional to 75,338.16, 103,935.52 and 43,484.48 is: 59,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,338.16 : 103,935.52 = 43,484.48 : x
  2. Step 2: Convert to fraction form
    75,338.16/103,935.52 = 43,484.48/x
  3. Step 3: Cross multiply
    75,338.16x = 103,935.52 × 43,484.48
  4. Step 4: Simplify right side
    75,338.16x = 4,519,582,040.73
  5. Step 5: Solve for x
    x = 4,519,582,040.73/75,338.16
  6. Step 6: Final answer
    x = 59,990.61

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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.