Home / 42,975.08-64,369.16-26,284.62

Finding the Fourth Proportional to 42,975.08, 64,369.16 and 26,284.62

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Solution

The fourth proportional to 42,975.08, 64,369.16 and 26,284.62 is: 39,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,975.08 : 64,369.16 = 26,284.62 : x
  2. Step 2: Convert to fraction form
    42,975.08/64,369.16 = 26,284.62/x
  3. Step 3: Cross multiply
    42,975.08x = 64,369.16 × 26,284.62
  4. Step 4: Simplify right side
    42,975.08x = 1,691,918,910.32
  5. Step 5: Solve for x
    x = 1,691,918,910.32/42,975.08
  6. Step 6: Final answer
    x = 39,369.77

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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.