Home / 67,632.13-101,457.42-28,180

Finding the Fourth Proportional to 67,632.13, 101,457.42 and 28,180

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Solution

The fourth proportional to 67,632.13, 101,457.42 and 28,180 is: 42,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,632.13 : 101,457.42 = 28,180 : x
  2. Step 2: Convert to fraction form
    67,632.13/101,457.42 = 28,180/x
  3. Step 3: Cross multiply
    67,632.13x = 101,457.42 × 28,180
  4. Step 4: Simplify right side
    67,632.13x = 2,859,070,095.60
  5. Step 5: Solve for x
    x = 2,859,070,095.60/67,632.13
  6. Step 6: Final answer
    x = 42,273.84

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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.