Home / 57,764.34-86,646.81-17,782.84

Finding the Fourth Proportional to 57,764.34, 86,646.81 and 17,782.84

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Solution

The fourth proportional to 57,764.34, 86,646.81 and 17,782.84 is: 26,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.34 : 86,646.81 = 17,782.84 : x
  2. Step 2: Convert to fraction form
    57,764.34/86,646.81 = 17,782.84/x
  3. Step 3: Cross multiply
    57,764.34x = 86,646.81 × 17,782.84
  4. Step 4: Simplify right side
    57,764.34x = 1,540,826,533.73
  5. Step 5: Solve for x
    x = 1,540,826,533.73/57,764.34
  6. Step 6: Final answer
    x = 26,674.36

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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.