Home / 74,322.04-102,563.40-40,788.04

Finding the Fourth Proportional to 74,322.04, 102,563.40 and 40,788.04

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Solution

The fourth proportional to 74,322.04, 102,563.40 and 40,788.04 is: 56,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,322.04 : 102,563.40 = 40,788.04 : x
  2. Step 2: Convert to fraction form
    74,322.04/102,563.40 = 40,788.04/x
  3. Step 3: Cross multiply
    74,322.04x = 102,563.40 × 40,788.04
  4. Step 4: Simplify right side
    74,322.04x = 4,183,360,061.74
  5. Step 5: Solve for x
    x = 4,183,360,061.74/74,322.04
  6. Step 6: Final answer
    x = 56,286.94

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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.