Home / 81,043.29-111,841.43-45,234.81

Finding the Fourth Proportional to 81,043.29, 111,841.43 and 45,234.81

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Solution

The fourth proportional to 81,043.29, 111,841.43 and 45,234.81 is: 62,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,043.29 : 111,841.43 = 45,234.81 : x
  2. Step 2: Convert to fraction form
    81,043.29/111,841.43 = 45,234.81/x
  3. Step 3: Cross multiply
    81,043.29x = 111,841.43 × 45,234.81
  4. Step 4: Simplify right side
    81,043.29x = 5,059,125,610.00
  5. Step 5: Solve for x
    x = 5,059,125,610.00/81,043.29
  6. Step 6: Final answer
    x = 62,424.98

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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.