Home / 55,732.05-83,621.53-34,689.70

Finding the Fourth Proportional to 55,732.05, 83,621.53 and 34,689.70

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Solution

The fourth proportional to 55,732.05, 83,621.53 and 34,689.70 is: 52,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.05 : 83,621.53 = 34,689.70 : x
  2. Step 2: Convert to fraction form
    55,732.05/83,621.53 = 34,689.70/x
  3. Step 3: Cross multiply
    55,732.05x = 83,621.53 × 34,689.70
  4. Step 4: Simplify right side
    55,732.05x = 2,900,805,271.63
  5. Step 5: Solve for x
    x = 2,900,805,271.63/55,732.05
  6. Step 6: Final answer
    x = 52,049.14

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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.