Home / 53,017.54-73,165.89-29,145.22

Finding the Fourth Proportional to 53,017.54, 73,165.89 and 29,145.22

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Solution

The fourth proportional to 53,017.54, 73,165.89 and 29,145.22 is: 40,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,017.54 : 73,165.89 = 29,145.22 : x
  2. Step 2: Convert to fraction form
    53,017.54/73,165.89 = 29,145.22/x
  3. Step 3: Cross multiply
    53,017.54x = 73,165.89 × 29,145.22
  4. Step 4: Simplify right side
    53,017.54x = 2,132,435,960.55
  5. Step 5: Solve for x
    x = 2,132,435,960.55/53,017.54
  6. Step 6: Final answer
    x = 40,221.33

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1.5x scale

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.