Home / 81,363.11-112,281.26-45,554.63

Finding the Fourth Proportional to 81,363.11, 112,281.26 and 45,554.63

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Solution

The fourth proportional to 81,363.11, 112,281.26 and 45,554.63 is: 62,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,363.11 : 112,281.26 = 45,554.63 : x
  2. Step 2: Convert to fraction form
    81,363.11/112,281.26 = 45,554.63/x
  3. Step 3: Cross multiply
    81,363.11x = 112,281.26 × 45,554.63
  4. Step 4: Simplify right side
    81,363.11x = 5,114,930,466.05
  5. Step 5: Solve for x
    x = 5,114,930,466.05/81,363.11
  6. Step 6: Final answer
    x = 62,865.48

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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.