Home / 56,141.12-84,168.48-22,403.36

Finding the Fourth Proportional to 56,141.12, 84,168.48 and 22,403.36

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Solution

The fourth proportional to 56,141.12, 84,168.48 and 22,403.36 is: 33,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141.12 : 84,168.48 = 22,403.36 : x
  2. Step 2: Convert to fraction form
    56,141.12/84,168.48 = 22,403.36/x
  3. Step 3: Cross multiply
    56,141.12x = 84,168.48 × 22,403.36
  4. Step 4: Simplify right side
    56,141.12x = 1,885,656,758.09
  5. Step 5: Solve for x
    x = 1,885,656,758.09/56,141.12
  6. Step 6: Final answer
    x = 33,587.80

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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.