Home / 79,732.02-119,612.75-32,988.54

Finding the Fourth Proportional to 79,732.02, 119,612.75 and 32,988.54

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Solution

The fourth proportional to 79,732.02, 119,612.75 and 32,988.54 is: 49,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,732.02 : 119,612.75 = 32,988.54 : x
  2. Step 2: Convert to fraction form
    79,732.02/119,612.75 = 32,988.54/x
  3. Step 3: Cross multiply
    79,732.02x = 119,612.75 × 32,988.54
  4. Step 4: Simplify right side
    79,732.02x = 3,945,849,822.94
  5. Step 5: Solve for x
    x = 3,945,849,822.94/79,732.02
  6. Step 6: Final answer
    x = 49,488.90

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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.