Home / 73,609.20-110,543.40-57,009.60

Finding the Fourth Proportional to 73,609.20, 110,543.40 and 57,009.60

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Solution

The fourth proportional to 73,609.20, 110,543.40 and 57,009.60 is: 85,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,609.20 : 110,543.40 = 57,009.60 : x
  2. Step 2: Convert to fraction form
    73,609.20/110,543.40 = 57,009.60/x
  3. Step 3: Cross multiply
    73,609.20x = 110,543.40 × 57,009.60
  4. Step 4: Simplify right side
    73,609.20x = 6,302,035,016.64
  5. Step 5: Solve for x
    x = 6,302,035,016.64/73,609.20
  6. Step 6: Final answer
    x = 85,614.77

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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.