Home / 81,043.66-111,846.59-45,239.05

Finding the Fourth Proportional to 81,043.66, 111,846.59 and 45,239.05

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Solution

The fourth proportional to 81,043.66, 111,846.59 and 45,239.05 is: 62,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,043.66 : 111,846.59 = 45,239.05 : x
  2. Step 2: Convert to fraction form
    81,043.66/111,846.59 = 45,239.05/x
  3. Step 3: Cross multiply
    81,043.66x = 111,846.59 × 45,239.05
  4. Step 4: Simplify right side
    81,043.66x = 5,059,833,477.34
  5. Step 5: Solve for x
    x = 5,059,833,477.34/81,043.66
  6. Step 6: Final answer
    x = 62,433.43

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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.