Home / 112,226.90-168,262.59-42,087.38

Finding the Fourth Proportional to 112,226.90, 168,262.59 and 42,087.38

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Solution

The fourth proportional to 112,226.90, 168,262.59 and 42,087.38 is: 63,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,226.90 : 168,262.59 = 42,087.38 : x
  2. Step 2: Convert to fraction form
    112,226.90/168,262.59 = 42,087.38/x
  3. Step 3: Cross multiply
    112,226.90x = 168,262.59 × 42,087.38
  4. Step 4: Simplify right side
    112,226.90x = 7,081,731,565.11
  5. Step 5: Solve for x
    x = 7,081,731,565.11/112,226.90
  6. Step 6: Final answer
    x = 63,101.91

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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.