Home / 53,329.24-80,011.14-18,269.20

Finding the Fourth Proportional to 53,329.24, 80,011.14 and 18,269.20

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Solution

The fourth proportional to 53,329.24, 80,011.14 and 18,269.20 is: 27,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,329.24 : 80,011.14 = 18,269.20 : x
  2. Step 2: Convert to fraction form
    53,329.24/80,011.14 = 18,269.20/x
  3. Step 3: Cross multiply
    53,329.24x = 80,011.14 × 18,269.20
  4. Step 4: Simplify right side
    53,329.24x = 1,461,739,518.89
  5. Step 5: Solve for x
    x = 1,461,739,518.89/53,329.24
  6. Step 6: Final answer
    x = 27,409.72

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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.