Home / 57,122.40-85,683.60-50,998.80

Finding the Fourth Proportional to 57,122.40, 85,683.60 and 50,998.80

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Solution

The fourth proportional to 57,122.40, 85,683.60 and 50,998.80 is: 76,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,122.40 : 85,683.60 = 50,998.80 : x
  2. Step 2: Convert to fraction form
    57,122.40/85,683.60 = 50,998.80/x
  3. Step 3: Cross multiply
    57,122.40x = 85,683.60 × 50,998.80
  4. Step 4: Simplify right side
    57,122.40x = 4,369,760,779.68
  5. Step 5: Solve for x
    x = 4,369,760,779.68/57,122.40
  6. Step 6: Final answer
    x = 76,498.20

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1.5x scale

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.