Home / 102,428.44-153,642.66-32,313.20

Finding the Fourth Proportional to 102,428.44, 153,642.66 and 32,313.20

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Solution

The fourth proportional to 102,428.44, 153,642.66 and 32,313.20 is: 48,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,428.44 : 153,642.66 = 32,313.20 : x
  2. Step 2: Convert to fraction form
    102,428.44/153,642.66 = 32,313.20/x
  3. Step 3: Cross multiply
    102,428.44x = 153,642.66 × 32,313.20
  4. Step 4: Simplify right side
    102,428.44x = 4,964,686,001.11
  5. Step 5: Solve for x
    x = 4,964,686,001.11/102,428.44
  6. Step 6: Final answer
    x = 48,469.80

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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.