Home / 56,906.24-85,368.60-21,370.30

Finding the Fourth Proportional to 56,906.24, 85,368.60 and 21,370.30

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Solution

The fourth proportional to 56,906.24, 85,368.60 and 21,370.30 is: 32,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,906.24 : 85,368.60 = 21,370.30 : x
  2. Step 2: Convert to fraction form
    56,906.24/85,368.60 = 21,370.30/x
  3. Step 3: Cross multiply
    56,906.24x = 85,368.60 × 21,370.30
  4. Step 4: Simplify right side
    56,906.24x = 1,824,352,379.16
  5. Step 5: Solve for x
    x = 1,824,352,379.16/56,906.24
  6. Step 6: Final answer
    x = 32,058.92

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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.