Home / 114,897.12-172,340.64-40,033.92

Finding the Fourth Proportional to 114,897.12, 172,340.64 and 40,033.92

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Solution

The fourth proportional to 114,897.12, 172,340.64 and 40,033.92 is: 60,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,897.12 : 172,340.64 = 40,033.92 : x
  2. Step 2: Convert to fraction form
    114,897.12/172,340.64 = 40,033.92/x
  3. Step 3: Cross multiply
    114,897.12x = 172,340.64 × 40,033.92
  4. Step 4: Simplify right side
    114,897.12x = 6,899,471,394.51
  5. Step 5: Solve for x
    x = 6,899,471,394.51/114,897.12
  6. Step 6: Final answer
    x = 60,049.12

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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.