Home / 114,684.76-172,051.06-57,790.64

Finding the Fourth Proportional to 114,684.76, 172,051.06 and 57,790.64

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Solution

The fourth proportional to 114,684.76, 172,051.06 and 57,790.64 is: 86,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,684.76 : 172,051.06 = 57,790.64 : x
  2. Step 2: Convert to fraction form
    114,684.76/172,051.06 = 57,790.64/x
  3. Step 3: Cross multiply
    114,684.76x = 172,051.06 × 57,790.64
  4. Step 4: Simplify right side
    114,684.76x = 9,942,940,870.08
  5. Step 5: Solve for x
    x = 9,942,940,870.08/114,684.76
  6. Step 6: Final answer
    x = 86,698.01

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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.