Home / 43,537.68-65,307.60-12,373.20

Finding the Fourth Proportional to 43,537.68, 65,307.60 and 12,373.20

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Solution

The fourth proportional to 43,537.68, 65,307.60 and 12,373.20 is: 18,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,537.68 : 65,307.60 = 12,373.20 : x
  2. Step 2: Convert to fraction form
    43,537.68/65,307.60 = 12,373.20/x
  3. Step 3: Cross multiply
    43,537.68x = 65,307.60 × 12,373.20
  4. Step 4: Simplify right side
    43,537.68x = 808,063,996.32
  5. Step 5: Solve for x
    x = 808,063,996.32/43,537.68
  6. Step 6: Final answer
    x = 18,560.11

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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.