Home / 56,492.10-84,738.15-55,455.30

Finding the Fourth Proportional to 56,492.10, 84,738.15 and 55,455.30

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Solution

The fourth proportional to 56,492.10, 84,738.15 and 55,455.30 is: 83,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,492.10 : 84,738.15 = 55,455.30 : x
  2. Step 2: Convert to fraction form
    56,492.10/84,738.15 = 55,455.30/x
  3. Step 3: Cross multiply
    56,492.10x = 84,738.15 × 55,455.30
  4. Step 4: Simplify right side
    56,492.10x = 4,699,179,529.70
  5. Step 5: Solve for x
    x = 4,699,179,529.70/56,492.10
  6. Step 6: Final answer
    x = 83,182.95

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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.