Home / 74,169.48-102,353.04-40,177.32

Finding the Fourth Proportional to 74,169.48, 102,353.04 and 40,177.32

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Solution

The fourth proportional to 74,169.48, 102,353.04 and 40,177.32 is: 55,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,169.48 : 102,353.04 = 40,177.32 : x
  2. Step 2: Convert to fraction form
    74,169.48/102,353.04 = 40,177.32/x
  3. Step 3: Cross multiply
    74,169.48x = 102,353.04 × 40,177.32
  4. Step 4: Simplify right side
    74,169.48x = 4,112,270,841.05
  5. Step 5: Solve for x
    x = 4,112,270,841.05/74,169.48
  6. Step 6: Final answer
    x = 55,444.25

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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.