Home / 58,233.87-87,329.28-20,783.91

Finding the Fourth Proportional to 58,233.87, 87,329.28 and 20,783.91

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Solution

The fourth proportional to 58,233.87, 87,329.28 and 20,783.91 is: 31,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,233.87 : 87,329.28 = 20,783.91 : x
  2. Step 2: Convert to fraction form
    58,233.87/87,329.28 = 20,783.91/x
  3. Step 3: Cross multiply
    58,233.87x = 87,329.28 × 20,783.91
  4. Step 4: Simplify right side
    58,233.87x = 1,815,043,895.88
  5. Step 5: Solve for x
    x = 1,815,043,895.88/58,233.87
  6. Step 6: Final answer
    x = 31,168.18

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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.