Home / 67,790.02-101,664.49-20,392.52

Finding the Fourth Proportional to 67,790.02, 101,664.49 and 20,392.52

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Solution

The fourth proportional to 67,790.02, 101,664.49 and 20,392.52 is: 30,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,790.02 : 101,664.49 = 20,392.52 : x
  2. Step 2: Convert to fraction form
    67,790.02/101,664.49 = 20,392.52/x
  3. Step 3: Cross multiply
    67,790.02x = 101,664.49 × 20,392.52
  4. Step 4: Simplify right side
    67,790.02x = 2,073,195,145.61
  5. Step 5: Solve for x
    x = 2,073,195,145.61/67,790.02
  6. Step 6: Final answer
    x = 30,582.60

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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.