Home / 63,316.48-94,979.22-18,939.64

Finding the Fourth Proportional to 63,316.48, 94,979.22 and 18,939.64

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Solution

The fourth proportional to 63,316.48, 94,979.22 and 18,939.64 is: 28,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,316.48 : 94,979.22 = 18,939.64 : x
  2. Step 2: Convert to fraction form
    63,316.48/94,979.22 = 18,939.64/x
  3. Step 3: Cross multiply
    63,316.48x = 94,979.22 × 18,939.64
  4. Step 4: Simplify right side
    63,316.48x = 1,798,872,234.28
  5. Step 5: Solve for x
    x = 1,798,872,234.28/63,316.48
  6. Step 6: Final answer
    x = 28,410.81

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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.