Home / 57,257.40-85,886.10-33,871.80

Finding the Fourth Proportional to 57,257.40, 85,886.10 and 33,871.80

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Solution

The fourth proportional to 57,257.40, 85,886.10 and 33,871.80 is: 50,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.40 : 85,886.10 = 33,871.80 : x
  2. Step 2: Convert to fraction form
    57,257.40/85,886.10 = 33,871.80/x
  3. Step 3: Cross multiply
    57,257.40x = 85,886.10 × 33,871.80
  4. Step 4: Simplify right side
    57,257.40x = 2,909,116,801.98
  5. Step 5: Solve for x
    x = 2,909,116,801.98/57,257.40
  6. Step 6: Final answer
    x = 50,807.70

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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.