Home / 53,699.34-80,549.33-18,160.91

Finding the Fourth Proportional to 53,699.34, 80,549.33 and 18,160.91

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Solution

The fourth proportional to 53,699.34, 80,549.33 and 18,160.91 is: 27,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,699.34 : 80,549.33 = 18,160.91 : x
  2. Step 2: Convert to fraction form
    53,699.34/80,549.33 = 18,160.91/x
  3. Step 3: Cross multiply
    53,699.34x = 80,549.33 × 18,160.91
  4. Step 4: Simplify right side
    53,699.34x = 1,462,848,639.14
  5. Step 5: Solve for x
    x = 1,462,848,639.14/53,699.34
  6. Step 6: Final answer
    x = 27,241.46

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1.5x scale

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.