Home / 74,101.68-110,962.22-40,784.56

Finding the Fourth Proportional to 74,101.68, 110,962.22 and 40,784.56

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Solution

The fourth proportional to 74,101.68, 110,962.22 and 40,784.56 is: 61,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,101.68 : 110,962.22 = 40,784.56 : x
  2. Step 2: Convert to fraction form
    74,101.68/110,962.22 = 40,784.56/x
  3. Step 3: Cross multiply
    74,101.68x = 110,962.22 × 40,784.56
  4. Step 4: Simplify right side
    74,101.68x = 4,525,545,319.32
  5. Step 5: Solve for x
    x = 4,525,545,319.32/74,101.68
  6. Step 6: Final answer
    x = 61,072.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.