Home / 53,530.40-73,906.61-34,418.76

Finding the Fourth Proportional to 53,530.40, 73,906.61 and 34,418.76

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Solution

The fourth proportional to 53,530.40, 73,906.61 and 34,418.76 is: 47,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,530.40 : 73,906.61 = 34,418.76 : x
  2. Step 2: Convert to fraction form
    53,530.40/73,906.61 = 34,418.76/x
  3. Step 3: Cross multiply
    53,530.40x = 73,906.61 × 34,418.76
  4. Step 4: Simplify right side
    53,530.40x = 2,543,773,872.00
  5. Step 5: Solve for x
    x = 2,543,773,872.00/53,530.40
  6. Step 6: Final answer
    x = 47,520.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.