Home / 53,494.79-80,127.25-34,720.00

Finding the Fourth Proportional to 53,494.79, 80,127.25 and 34,720.00

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Solution

The fourth proportional to 53,494.79, 80,127.25 and 34,720.00 is: 52,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,494.79 : 80,127.25 = 34,720.00 : x
  2. Step 2: Convert to fraction form
    53,494.79/80,127.25 = 34,720.00/x
  3. Step 3: Cross multiply
    53,494.79x = 80,127.25 × 34,720.00
  4. Step 4: Simplify right side
    53,494.79x = 2,782,017,832.88
  5. Step 5: Solve for x
    x = 2,782,017,832.88/53,494.79
  6. Step 6: Final answer
    x = 52,005.40

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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.