Home / 64,145.06-96,233.28-45,206.65

Finding the Fourth Proportional to 64,145.06, 96,233.28 and 45,206.65

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Solution

The fourth proportional to 64,145.06, 96,233.28 and 45,206.65 is: 67,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.06 : 96,233.28 = 45,206.65 : x
  2. Step 2: Convert to fraction form
    64,145.06/96,233.28 = 45,206.65/x
  3. Step 3: Cross multiply
    64,145.06x = 96,233.28 × 45,206.65
  4. Step 4: Simplify right side
    64,145.06x = 4,350,384,539.51
  5. Step 5: Solve for x
    x = 4,350,384,539.51/64,145.06
  6. Step 6: Final answer
    x = 67,821.03

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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.