Home / 54,274.60-81,606.30-53,108.20

Finding the Fourth Proportional to 54,274.60, 81,606.30 and 53,108.20

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Solution

The fourth proportional to 54,274.60, 81,606.30 and 53,108.20 is: 79,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,274.60 : 81,606.30 = 53,108.20 : x
  2. Step 2: Convert to fraction form
    54,274.60/81,606.30 = 53,108.20/x
  3. Step 3: Cross multiply
    54,274.60x = 81,606.30 × 53,108.20
  4. Step 4: Simplify right side
    54,274.60x = 4,333,963,701.66
  5. Step 5: Solve for x
    x = 4,333,963,701.66/54,274.60
  6. Step 6: Final answer
    x = 79,852.52

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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.