Home / 84,741.22-127,145.31-32,164.66

Finding the Fourth Proportional to 84,741.22, 127,145.31 and 32,164.66

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Solution

The fourth proportional to 84,741.22, 127,145.31 and 32,164.66 is: 48,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,741.22 : 127,145.31 = 32,164.66 : x
  2. Step 2: Convert to fraction form
    84,741.22/127,145.31 = 32,164.66/x
  3. Step 3: Cross multiply
    84,741.22x = 127,145.31 × 32,164.66
  4. Step 4: Simplify right side
    84,741.22x = 4,089,585,666.74
  5. Step 5: Solve for x
    x = 4,089,585,666.74/84,741.22
  6. Step 6: Final answer
    x = 48,259.70

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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.