Home / 45,543.63-68,319.53-12,262.96

Finding the Fourth Proportional to 45,543.63, 68,319.53 and 12,262.96

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Solution

The fourth proportional to 45,543.63, 68,319.53 and 12,262.96 is: 18,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.63 : 68,319.53 = 12,262.96 : x
  2. Step 2: Convert to fraction form
    45,543.63/68,319.53 = 12,262.96/x
  3. Step 3: Cross multiply
    45,543.63x = 68,319.53 × 12,262.96
  4. Step 4: Simplify right side
    45,543.63x = 837,799,260.70
  5. Step 5: Solve for x
    x = 837,799,260.70/45,543.63
  6. Step 6: Final answer
    x = 18,395.53

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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.