Home / 53,966.30-80,946.41-20,685.02

Finding the Fourth Proportional to 53,966.30, 80,946.41 and 20,685.02

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Solution

The fourth proportional to 53,966.30, 80,946.41 and 20,685.02 is: 31,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,966.30 : 80,946.41 = 20,685.02 : x
  2. Step 2: Convert to fraction form
    53,966.30/80,946.41 = 20,685.02/x
  3. Step 3: Cross multiply
    53,966.30x = 80,946.41 × 20,685.02
  4. Step 4: Simplify right side
    53,966.30x = 1,674,377,601.62
  5. Step 5: Solve for x
    x = 1,674,377,601.62/53,966.30
  6. Step 6: Final answer
    x = 31,026.36

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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.