Home / 109,581.65-164,377.15-43,036.20

Finding the Fourth Proportional to 109,581.65, 164,377.15 and 43,036.20

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Solution

The fourth proportional to 109,581.65, 164,377.15 and 43,036.20 is: 64,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,581.65 : 164,377.15 = 43,036.20 : x
  2. Step 2: Convert to fraction form
    109,581.65/164,377.15 = 43,036.20/x
  3. Step 3: Cross multiply
    109,581.65x = 164,377.15 × 43,036.20
  4. Step 4: Simplify right side
    109,581.65x = 7,074,167,795.24
  5. Step 5: Solve for x
    x = 7,074,167,795.24/109,581.65
  6. Step 6: Final answer
    x = 64,556.14

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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.