Home / 112,451.16-168,731.72-49,262.65

Finding the Fourth Proportional to 112,451.16, 168,731.72 and 49,262.65

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Solution

The fourth proportional to 112,451.16, 168,731.72 and 49,262.65 is: 73,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,451.16 : 168,731.72 = 49,262.65 : x
  2. Step 2: Convert to fraction form
    112,451.16/168,731.72 = 49,262.65/x
  3. Step 3: Cross multiply
    112,451.16x = 168,731.72 × 49,262.65
  4. Step 4: Simplify right side
    112,451.16x = 8,312,171,666.26
  5. Step 5: Solve for x
    x = 8,312,171,666.26/112,451.16
  6. Step 6: Final answer
    x = 73,918.06

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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.