Home / 56,291.20-84,448.32-32,905.60

Finding the Fourth Proportional to 56,291.20, 84,448.32 and 32,905.60

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Solution

The fourth proportional to 56,291.20, 84,448.32 and 32,905.60 is: 49,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,291.20 : 84,448.32 = 32,905.60 : x
  2. Step 2: Convert to fraction form
    56,291.20/84,448.32 = 32,905.60/x
  3. Step 3: Cross multiply
    56,291.20x = 84,448.32 × 32,905.60
  4. Step 4: Simplify right side
    56,291.20x = 2,778,822,638.59
  5. Step 5: Solve for x
    x = 2,778,822,638.59/56,291.20
  6. Step 6: Final answer
    x = 49,365.13

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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.