Home / 43,343.68-65,017.95-12,176.50

Finding the Fourth Proportional to 43,343.68, 65,017.95 and 12,176.50

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Solution

The fourth proportional to 43,343.68, 65,017.95 and 12,176.50 is: 18,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.68 : 65,017.95 = 12,176.50 : x
  2. Step 2: Convert to fraction form
    43,343.68/65,017.95 = 12,176.50/x
  3. Step 3: Cross multiply
    43,343.68x = 65,017.95 × 12,176.50
  4. Step 4: Simplify right side
    43,343.68x = 791,691,068.18
  5. Step 5: Solve for x
    x = 791,691,068.18/43,343.68
  6. Step 6: Final answer
    x = 18,265.43

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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.