Home / 53,155.48-73,355.16-29,281.64

Finding the Fourth Proportional to 53,155.48, 73,355.16 and 29,281.64

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Solution

The fourth proportional to 53,155.48, 73,355.16 and 29,281.64 is: 40,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,155.48 : 73,355.16 = 29,281.64 : x
  2. Step 2: Convert to fraction form
    53,155.48/73,355.16 = 29,281.64/x
  3. Step 3: Cross multiply
    53,155.48x = 73,355.16 × 29,281.64
  4. Step 4: Simplify right side
    53,155.48x = 2,147,959,387.26
  5. Step 5: Solve for x
    x = 2,147,959,387.26/53,155.48
  6. Step 6: Final answer
    x = 40,408.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.