Home / 82,474.37-113,866.15-56,677.35

Finding the Fourth Proportional to 82,474.37, 113,866.15 and 56,677.35

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Solution

The fourth proportional to 82,474.37, 113,866.15 and 56,677.35 is: 78,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,474.37 : 113,866.15 = 56,677.35 : x
  2. Step 2: Convert to fraction form
    82,474.37/113,866.15 = 56,677.35/x
  3. Step 3: Cross multiply
    82,474.37x = 113,866.15 × 56,677.35
  4. Step 4: Simplify right side
    82,474.37x = 6,453,631,636.70
  5. Step 5: Solve for x
    x = 6,453,631,636.70/82,474.37
  6. Step 6: Final answer
    x = 78,250.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.