Home / 109,864.36-151,618.62-69,563.44

Finding the Fourth Proportional to 109,864.36, 151,618.62 and 69,563.44

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Solution

The fourth proportional to 109,864.36, 151,618.62 and 69,563.44 is: 96,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,864.36 : 151,618.62 = 69,563.44 : x
  2. Step 2: Convert to fraction form
    109,864.36/151,618.62 = 69,563.44/x
  3. Step 3: Cross multiply
    109,864.36x = 151,618.62 × 69,563.44
  4. Step 4: Simplify right side
    109,864.36x = 10,547,112,775.25
  5. Step 5: Solve for x
    x = 10,547,112,775.25/109,864.36
  6. Step 6: Final answer
    x = 96,001.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.