Home / 58,720.68-88,058.40-21,269.64

Finding the Fourth Proportional to 58,720.68, 88,058.40 and 21,269.64

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Solution

The fourth proportional to 58,720.68, 88,058.40 and 21,269.64 is: 31,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,720.68 : 88,058.40 = 21,269.64 : x
  2. Step 2: Convert to fraction form
    58,720.68/88,058.40 = 21,269.64/x
  3. Step 3: Cross multiply
    58,720.68x = 88,058.40 × 21,269.64
  4. Step 4: Simplify right side
    58,720.68x = 1,872,970,466.98
  5. Step 5: Solve for x
    x = 1,872,970,466.98/58,720.68
  6. Step 6: Final answer
    x = 31,896.27

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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.