Home / 57,239.83-85,858.80-15,686.83

Finding the Fourth Proportional to 57,239.83, 85,858.80 and 15,686.83

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Solution

The fourth proportional to 57,239.83, 85,858.80 and 15,686.83 is: 23,529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239.83 : 85,858.80 = 15,686.83 : x
  2. Step 2: Convert to fraction form
    57,239.83/85,858.80 = 15,686.83/x
  3. Step 3: Cross multiply
    57,239.83x = 85,858.80 × 15,686.83
  4. Step 4: Simplify right side
    57,239.83x = 1,346,852,399.60
  5. Step 5: Solve for x
    x = 1,346,852,399.60/57,239.83
  6. Step 6: Final answer
    x = 23,529.99

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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.