Home / 57,723.60-86,585.40-39,012.60

Finding the Fourth Proportional to 57,723.60, 86,585.40 and 39,012.60

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Solution

The fourth proportional to 57,723.60, 86,585.40 and 39,012.60 is: 58,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,723.60 : 86,585.40 = 39,012.60 : x
  2. Step 2: Convert to fraction form
    57,723.60/86,585.40 = 39,012.60/x
  3. Step 3: Cross multiply
    57,723.60x = 86,585.40 × 39,012.60
  4. Step 4: Simplify right side
    57,723.60x = 3,377,921,576.04
  5. Step 5: Solve for x
    x = 3,377,921,576.04/57,723.60
  6. Step 6: Final answer
    x = 58,518.90

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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.