Home / 95,639.38-143,428.03-31,583.11

Finding the Fourth Proportional to 95,639.38, 143,428.03 and 31,583.11

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Solution

The fourth proportional to 95,639.38, 143,428.03 and 31,583.11 is: 47,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,639.38 : 143,428.03 = 31,583.11 : x
  2. Step 2: Convert to fraction form
    95,639.38/143,428.03 = 31,583.11/x
  3. Step 3: Cross multiply
    95,639.38x = 143,428.03 × 31,583.11
  4. Step 4: Simplify right side
    95,639.38x = 4,529,903,248.57
  5. Step 5: Solve for x
    x = 4,529,903,248.57/95,639.38
  6. Step 6: Final answer
    x = 47,364.41

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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.