Home / 57,219.60-85,829.40-38,557.20

Finding the Fourth Proportional to 57,219.60, 85,829.40 and 38,557.20

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Solution

The fourth proportional to 57,219.60, 85,829.40 and 38,557.20 is: 57,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.60 : 85,829.40 = 38,557.20 : x
  2. Step 2: Convert to fraction form
    57,219.60/85,829.40 = 38,557.20/x
  3. Step 3: Cross multiply
    57,219.60x = 85,829.40 × 38,557.20
  4. Step 4: Simplify right side
    57,219.60x = 3,309,341,341.68
  5. Step 5: Solve for x
    x = 3,309,341,341.68/57,219.60
  6. Step 6: Final answer
    x = 57,835.80

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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.