Home / 74,568.60-102,904.59-40,577.04

Finding the Fourth Proportional to 74,568.60, 102,904.59 and 40,577.04

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Solution

The fourth proportional to 74,568.60, 102,904.59 and 40,577.04 is: 55,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,568.60 : 102,904.59 = 40,577.04 : x
  2. Step 2: Convert to fraction form
    74,568.60/102,904.59 = 40,577.04/x
  3. Step 3: Cross multiply
    74,568.60x = 102,904.59 × 40,577.04
  4. Step 4: Simplify right side
    74,568.60x = 4,175,563,664.61
  5. Step 5: Solve for x
    x = 4,175,563,664.61/74,568.60
  6. Step 6: Final answer
    x = 55,996.27

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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.