Home / 74,220.63-111,331.06-18,060.41

Finding the Fourth Proportional to 74,220.63, 111,331.06 and 18,060.41

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Solution

The fourth proportional to 74,220.63, 111,331.06 and 18,060.41 is: 27,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,220.63 : 111,331.06 = 18,060.41 : x
  2. Step 2: Convert to fraction form
    74,220.63/111,331.06 = 18,060.41/x
  3. Step 3: Cross multiply
    74,220.63x = 111,331.06 × 18,060.41
  4. Step 4: Simplify right side
    74,220.63x = 2,010,684,039.71
  5. Step 5: Solve for x
    x = 2,010,684,039.71/74,220.63
  6. Step 6: Final answer
    x = 27,090.64

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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.