Home / 114,827.84-172,137.96-40,938.56

Finding the Fourth Proportional to 114,827.84, 172,137.96 and 40,938.56

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Solution

The fourth proportional to 114,827.84, 172,137.96 and 40,938.56 is: 61,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,827.84 : 172,137.96 = 40,938.56 : x
  2. Step 2: Convert to fraction form
    114,827.84/172,137.96 = 40,938.56/x
  3. Step 3: Cross multiply
    114,827.84x = 172,137.96 × 40,938.56
  4. Step 4: Simplify right side
    114,827.84x = 7,047,080,203.74
  5. Step 5: Solve for x
    x = 7,047,080,203.74/114,827.84
  6. Step 6: Final answer
    x = 61,370.83

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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.