Home / 56,128.66-84,148.28-32,409.31

Finding the Fourth Proportional to 56,128.66, 84,148.28 and 32,409.31

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Solution

The fourth proportional to 56,128.66, 84,148.28 and 32,409.31 is: 48,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,128.66 : 84,148.28 = 32,409.31 : x
  2. Step 2: Convert to fraction form
    56,128.66/84,148.28 = 32,409.31/x
  3. Step 3: Cross multiply
    56,128.66x = 84,148.28 × 32,409.31
  4. Step 4: Simplify right side
    56,128.66x = 2,727,187,692.49
  5. Step 5: Solve for x
    x = 2,727,187,692.49/56,128.66
  6. Step 6: Final answer
    x = 48,588.15

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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.