Home / 74,979.10-103,474.30-43,148.14

Finding the Fourth Proportional to 74,979.10, 103,474.30 and 43,148.14

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Solution

The fourth proportional to 74,979.10, 103,474.30 and 43,148.14 is: 59,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,979.10 : 103,474.30 = 43,148.14 : x
  2. Step 2: Convert to fraction form
    74,979.10/103,474.30 = 43,148.14/x
  3. Step 3: Cross multiply
    74,979.10x = 103,474.30 × 43,148.14
  4. Step 4: Simplify right side
    74,979.10x = 4,464,723,582.80
  5. Step 5: Solve for x
    x = 4,464,723,582.80/74,979.10
  6. Step 6: Final answer
    x = 59,546.24

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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.