Home / 74,933.28-111,810.96-72,396.72

Finding the Fourth Proportional to 74,933.28, 111,810.96 and 72,396.72

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Solution

The fourth proportional to 74,933.28, 111,810.96 and 72,396.72 is: 108,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.28 : 111,810.96 = 72,396.72 : x
  2. Step 2: Convert to fraction form
    74,933.28/111,810.96 = 72,396.72/x
  3. Step 3: Cross multiply
    74,933.28x = 111,810.96 × 72,396.72
  4. Step 4: Simplify right side
    74,933.28x = 8,094,746,764.05
  5. Step 5: Solve for x
    x = 8,094,746,764.05/74,933.28
  6. Step 6: Final answer
    x = 108,026.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.