Home / 74,062.64-111,090.72-21,470.96

Finding the Fourth Proportional to 74,062.64, 111,090.72 and 21,470.96

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Solution

The fourth proportional to 74,062.64, 111,090.72 and 21,470.96 is: 32,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,062.64 : 111,090.72 = 21,470.96 : x
  2. Step 2: Convert to fraction form
    74,062.64/111,090.72 = 21,470.96/x
  3. Step 3: Cross multiply
    74,062.64x = 111,090.72 × 21,470.96
  4. Step 4: Simplify right side
    74,062.64x = 2,385,224,405.49
  5. Step 5: Solve for x
    x = 2,385,224,405.49/74,062.64
  6. Step 6: Final answer
    x = 32,205.50

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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.