Home / 53,016.08-73,162.27-29,142.90

Finding the Fourth Proportional to 53,016.08, 73,162.27 and 29,142.90

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Solution

The fourth proportional to 53,016.08, 73,162.27 and 29,142.90 is: 40,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,016.08 : 73,162.27 = 29,142.90 : x
  2. Step 2: Convert to fraction form
    53,016.08/73,162.27 = 29,142.90/x
  3. Step 3: Cross multiply
    53,016.08x = 73,162.27 × 29,142.90
  4. Step 4: Simplify right side
    53,016.08x = 2,132,160,718.38
  5. Step 5: Solve for x
    x = 2,132,160,718.38/53,016.08
  6. Step 6: Final answer
    x = 40,217.25

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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.