Home / 56,142.91-84,196.12-18,692.92

Finding the Fourth Proportional to 56,142.91, 84,196.12 and 18,692.92

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Solution

The fourth proportional to 56,142.91, 84,196.12 and 18,692.92 is: 28,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,142.91 : 84,196.12 = 18,692.92 : x
  2. Step 2: Convert to fraction form
    56,142.91/84,196.12 = 18,692.92/x
  3. Step 3: Cross multiply
    56,142.91x = 84,196.12 × 18,692.92
  4. Step 4: Simplify right side
    56,142.91x = 1,573,871,335.47
  5. Step 5: Solve for x
    x = 1,573,871,335.47/56,142.91
  6. Step 6: Final answer
    x = 28,033.31

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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.