Home / 49,345.58-74,017.68-11,905.34

Finding the Fourth Proportional to 49,345.58, 74,017.68 and 11,905.34

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Solution

The fourth proportional to 49,345.58, 74,017.68 and 11,905.34 is: 17,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345.58 : 74,017.68 = 11,905.34 : x
  2. Step 2: Convert to fraction form
    49,345.58/74,017.68 = 11,905.34/x
  3. Step 3: Cross multiply
    49,345.58x = 74,017.68 × 11,905.34
  4. Step 4: Simplify right side
    49,345.58x = 881,205,276.32
  5. Step 5: Solve for x
    x = 881,205,276.32/49,345.58
  6. Step 6: Final answer
    x = 17,857.84

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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.