Home / 42,970.35-64,469.20-27,273.16

Finding the Fourth Proportional to 42,970.35, 64,469.20 and 27,273.16

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Solution

The fourth proportional to 42,970.35, 64,469.20 and 27,273.16 is: 40,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,970.35 : 64,469.20 = 27,273.16 : x
  2. Step 2: Convert to fraction form
    42,970.35/64,469.20 = 27,273.16/x
  3. Step 3: Cross multiply
    42,970.35x = 64,469.20 × 27,273.16
  4. Step 4: Simplify right side
    42,970.35x = 1,758,278,577.32
  5. Step 5: Solve for x
    x = 1,758,278,577.32/42,970.35
  6. Step 6: Final answer
    x = 40,918.41

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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.