Home / 63,286.13-87,406.61-43,108.02

Finding the Fourth Proportional to 63,286.13, 87,406.61 and 43,108.02

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Solution

The fourth proportional to 63,286.13, 87,406.61 and 43,108.02 is: 59,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,286.13 : 87,406.61 = 43,108.02 : x
  2. Step 2: Convert to fraction form
    63,286.13/87,406.61 = 43,108.02/x
  3. Step 3: Cross multiply
    63,286.13x = 87,406.61 × 43,108.02
  4. Step 4: Simplify right side
    63,286.13x = 3,767,925,676.47
  5. Step 5: Solve for x
    x = 3,767,925,676.47/63,286.13
  6. Step 6: Final answer
    x = 59,537.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.