Home / 52,176.12-72,003.08-29,820.12

Finding the Fourth Proportional to 52,176.12, 72,003.08 and 29,820.12

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Solution

The fourth proportional to 52,176.12, 72,003.08 and 29,820.12 is: 41,151.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,176.12 : 72,003.08 = 29,820.12 : x
  2. Step 2: Convert to fraction form
    52,176.12/72,003.08 = 29,820.12/x
  3. Step 3: Cross multiply
    52,176.12x = 72,003.08 × 29,820.12
  4. Step 4: Simplify right side
    52,176.12x = 2,147,140,485.97
  5. Step 5: Solve for x
    x = 2,147,140,485.97/52,176.12
  6. Step 6: Final answer
    x = 41,151.79

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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.