Home / 74,400.23-102,673.06-40,409.04

Finding the Fourth Proportional to 74,400.23, 102,673.06 and 40,409.04

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Solution

The fourth proportional to 74,400.23, 102,673.06 and 40,409.04 is: 55,764.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,400.23 : 102,673.06 = 40,409.04 : x
  2. Step 2: Convert to fraction form
    74,400.23/102,673.06 = 40,409.04/x
  3. Step 3: Cross multiply
    74,400.23x = 102,673.06 × 40,409.04
  4. Step 4: Simplify right side
    74,400.23x = 4,148,919,788.46
  5. Step 5: Solve for x
    x = 4,148,919,788.46/74,400.23
  6. Step 6: Final answer
    x = 55,764.88

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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.