Home / 79,653.12-119,553.48-40,237.98

Finding the Fourth Proportional to 79,653.12, 119,553.48 and 40,237.98

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Solution

The fourth proportional to 79,653.12, 119,553.48 and 40,237.98 is: 60,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,653.12 : 119,553.48 = 40,237.98 : x
  2. Step 2: Convert to fraction form
    79,653.12/119,553.48 = 40,237.98/x
  3. Step 3: Cross multiply
    79,653.12x = 119,553.48 × 40,237.98
  4. Step 4: Simplify right side
    79,653.12x = 4,810,590,537.17
  5. Step 5: Solve for x
    x = 4,810,590,537.17/79,653.12
  6. Step 6: Final answer
    x = 60,394.25

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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.