Home / 58,193.45-87,328.46-31,916.65

Finding the Fourth Proportional to 58,193.45, 87,328.46 and 31,916.65

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Solution

The fourth proportional to 58,193.45, 87,328.46 and 31,916.65 is: 47,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,193.45 : 87,328.46 = 31,916.65 : x
  2. Step 2: Convert to fraction form
    58,193.45/87,328.46 = 31,916.65/x
  3. Step 3: Cross multiply
    58,193.45x = 87,328.46 × 31,916.65
  4. Step 4: Simplify right side
    58,193.45x = 2,787,231,892.86
  5. Step 5: Solve for x
    x = 2,787,231,892.86/58,193.45
  6. Step 6: Final answer
    x = 47,895.97

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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.