Home / 74,052.30-111,029.22-40,788

Finding the Fourth Proportional to 74,052.30, 111,029.22 and 40,788

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Solution

The fourth proportional to 74,052.30, 111,029.22 and 40,788 is: 61,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,052.30 : 111,029.22 = 40,788 : x
  2. Step 2: Convert to fraction form
    74,052.30/111,029.22 = 40,788/x
  3. Step 3: Cross multiply
    74,052.30x = 111,029.22 × 40,788
  4. Step 4: Simplify right side
    74,052.30x = 4,528,659,825.36
  5. Step 5: Solve for x
    x = 4,528,659,825.36/74,052.30
  6. Step 6: Final answer
    x = 61,154.88

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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.