Home / 42,999.33-64,474.16-16,673.32

Finding the Fourth Proportional to 42,999.33, 64,474.16 and 16,673.32

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Solution

The fourth proportional to 42,999.33, 64,474.16 and 16,673.32 is: 25,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,999.33 : 64,474.16 = 16,673.32 : x
  2. Step 2: Convert to fraction form
    42,999.33/64,474.16 = 16,673.32/x
  3. Step 3: Cross multiply
    42,999.33x = 64,474.16 × 16,673.32
  4. Step 4: Simplify right side
    42,999.33x = 1,074,997,979.04
  5. Step 5: Solve for x
    x = 1,074,997,979.04/42,999.33
  6. Step 6: Final answer
    x = 25,000.34

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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.