Home / 109,387.05-163,951.59-49,345.26

Finding the Fourth Proportional to 109,387.05, 163,951.59 and 49,345.26

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Solution

The fourth proportional to 109,387.05, 163,951.59 and 49,345.26 is: 73,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,387.05 : 163,951.59 = 49,345.26 : x
  2. Step 2: Convert to fraction form
    109,387.05/163,951.59 = 49,345.26/x
  3. Step 3: Cross multiply
    109,387.05x = 163,951.59 × 49,345.26
  4. Step 4: Simplify right side
    109,387.05x = 8,090,233,835.96
  5. Step 5: Solve for x
    x = 8,090,233,835.96/109,387.05
  6. Step 6: Final answer
    x = 73,959.70

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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.