Home / 64,581.05-89,119.07-35,900.65

Finding the Fourth Proportional to 64,581.05, 89,119.07 and 35,900.65

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Solution

The fourth proportional to 64,581.05, 89,119.07 and 35,900.65 is: 49,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,581.05 : 89,119.07 = 35,900.65 : x
  2. Step 2: Convert to fraction form
    64,581.05/89,119.07 = 35,900.65/x
  3. Step 3: Cross multiply
    64,581.05x = 89,119.07 × 35,900.65
  4. Step 4: Simplify right side
    64,581.05x = 3,199,432,138.09
  5. Step 5: Solve for x
    x = 3,199,432,138.09/64,581.05
  6. Step 6: Final answer
    x = 49,541.34

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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.