Home / 49,345.83-74,018.06-11,905.58

Finding the Fourth Proportional to 49,345.83, 74,018.06 and 11,905.58

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Solution

The fourth proportional to 49,345.83, 74,018.06 and 11,905.58 is: 17,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345.83 : 74,018.06 = 11,905.58 : x
  2. Step 2: Convert to fraction form
    49,345.83/74,018.06 = 11,905.58/x
  3. Step 3: Cross multiply
    49,345.83x = 74,018.06 × 11,905.58
  4. Step 4: Simplify right side
    49,345.83x = 881,227,934.77
  5. Step 5: Solve for x
    x = 881,227,934.77/49,345.83
  6. Step 6: Final answer
    x = 17,858.20

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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.