Home / 56,491.12-84,736.30-14,370.84

Finding the Fourth Proportional to 56,491.12, 84,736.30 and 14,370.84

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Solution

The fourth proportional to 56,491.12, 84,736.30 and 14,370.84 is: 21,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.12 : 84,736.30 = 14,370.84 : x
  2. Step 2: Convert to fraction form
    56,491.12/84,736.30 = 14,370.84/x
  3. Step 3: Cross multiply
    56,491.12x = 84,736.30 × 14,370.84
  4. Step 4: Simplify right side
    56,491.12x = 1,217,731,809.49
  5. Step 5: Solve for x
    x = 1,217,731,809.49/56,491.12
  6. Step 6: Final answer
    x = 21,556.16

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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.