Home / 57,702.83-86,545.58-18,254.81

Finding the Fourth Proportional to 57,702.83, 86,545.58 and 18,254.81

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Solution

The fourth proportional to 57,702.83, 86,545.58 and 18,254.81 is: 27,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,702.83 : 86,545.58 = 18,254.81 : x
  2. Step 2: Convert to fraction form
    57,702.83/86,545.58 = 18,254.81/x
  3. Step 3: Cross multiply
    57,702.83x = 86,545.58 × 18,254.81
  4. Step 4: Simplify right side
    57,702.83x = 1,579,873,244.33
  5. Step 5: Solve for x
    x = 1,579,873,244.33/57,702.83
  6. Step 6: Final answer
    x = 27,379.48

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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.