Home / 61,177.16-91,761.62-16,800.20

Finding the Fourth Proportional to 61,177.16, 91,761.62 and 16,800.20

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Solution

The fourth proportional to 61,177.16, 91,761.62 and 16,800.20 is: 25,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,177.16 : 91,761.62 = 16,800.20 : x
  2. Step 2: Convert to fraction form
    61,177.16/91,761.62 = 16,800.20/x
  3. Step 3: Cross multiply
    61,177.16x = 91,761.62 × 16,800.20
  4. Step 4: Simplify right side
    61,177.16x = 1,541,613,025.51
  5. Step 5: Solve for x
    x = 1,541,613,025.51/61,177.16
  6. Step 6: Final answer
    x = 25,199.16

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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.