Home / 43,712.67-65,552.91-15,625.13

Finding the Fourth Proportional to 43,712.67, 65,552.91 and 15,625.13

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Solution

The fourth proportional to 43,712.67, 65,552.91 and 15,625.13 is: 23,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,712.67 : 65,552.91 = 15,625.13 : x
  2. Step 2: Convert to fraction form
    43,712.67/65,552.91 = 15,625.13/x
  3. Step 3: Cross multiply
    43,712.67x = 65,552.91 × 15,625.13
  4. Step 4: Simplify right side
    43,712.67x = 1,024,272,740.63
  5. Step 5: Solve for x
    x = 1,024,272,740.63/43,712.67
  6. Step 6: Final answer
    x = 23,431.94

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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.