Home / 57,379.18-86,068.77-17,398.09

Finding the Fourth Proportional to 57,379.18, 86,068.77 and 17,398.09

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Solution

The fourth proportional to 57,379.18, 86,068.77 and 17,398.09 is: 26,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,379.18 : 86,068.77 = 17,398.09 : x
  2. Step 2: Convert to fraction form
    57,379.18/86,068.77 = 17,398.09/x
  3. Step 3: Cross multiply
    57,379.18x = 86,068.77 × 17,398.09
  4. Step 4: Simplify right side
    57,379.18x = 1,497,431,776.31
  5. Step 5: Solve for x
    x = 1,497,431,776.31/57,379.18
  6. Step 6: Final answer
    x = 26,097.13

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1.5x scale

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.