Home / 55,890.40-83,641.20-51,224.80

Finding the Fourth Proportional to 55,890.40, 83,641.20 and 51,224.80

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Solution

The fourth proportional to 55,890.40, 83,641.20 and 51,224.80 is: 76,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,890.40 : 83,641.20 = 51,224.80 : x
  2. Step 2: Convert to fraction form
    55,890.40/83,641.20 = 51,224.80/x
  3. Step 3: Cross multiply
    55,890.40x = 83,641.20 × 51,224.80
  4. Step 4: Simplify right side
    55,890.40x = 4,284,503,741.76
  5. Step 5: Solve for x
    x = 4,284,503,741.76/55,890.40
  6. Step 6: Final answer
    x = 76,659.03

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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.