Home / 67,669.74-101,518.63-20,282.92

Finding the Fourth Proportional to 67,669.74, 101,518.63 and 20,282.92

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Solution

The fourth proportional to 67,669.74, 101,518.63 and 20,282.92 is: 30,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,669.74 : 101,518.63 = 20,282.92 : x
  2. Step 2: Convert to fraction form
    67,669.74/101,518.63 = 20,282.92/x
  3. Step 3: Cross multiply
    67,669.74x = 101,518.63 × 20,282.92
  4. Step 4: Simplify right side
    67,669.74x = 2,059,094,326.99
  5. Step 5: Solve for x
    x = 2,059,094,326.99/67,669.74
  6. Step 6: Final answer
    x = 30,428.58

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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.