Home / 57,890.23-86,835.21-38,025.12

Finding the Fourth Proportional to 57,890.23, 86,835.21 and 38,025.12

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Solution

The fourth proportional to 57,890.23, 86,835.21 and 38,025.12 is: 57,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,890.23 : 86,835.21 = 38,025.12 : x
  2. Step 2: Convert to fraction form
    57,890.23/86,835.21 = 38,025.12/x
  3. Step 3: Cross multiply
    57,890.23x = 86,835.21 × 38,025.12
  4. Step 4: Simplify right side
    57,890.23x = 3,301,919,280.48
  5. Step 5: Solve for x
    x = 3,301,919,280.48/57,890.23
  6. Step 6: Final answer
    x = 57,037.59

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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.