Home / 56,135.16-84,158.02-32,415.78

Finding the Fourth Proportional to 56,135.16, 84,158.02 and 32,415.78

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Solution

The fourth proportional to 56,135.16, 84,158.02 and 32,415.78 is: 48,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,135.16 : 84,158.02 = 32,415.78 : x
  2. Step 2: Convert to fraction form
    56,135.16/84,158.02 = 32,415.78/x
  3. Step 3: Cross multiply
    56,135.16x = 84,158.02 × 32,415.78
  4. Step 4: Simplify right side
    56,135.16x = 2,728,047,861.56
  5. Step 5: Solve for x
    x = 2,728,047,861.56/56,135.16
  6. Step 6: Final answer
    x = 48,597.85

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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.