Home / 53,784.71-74,221.84-29,910.87

Finding the Fourth Proportional to 53,784.71, 74,221.84 and 29,910.87

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Solution

The fourth proportional to 53,784.71, 74,221.84 and 29,910.87 is: 41,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,784.71 : 74,221.84 = 29,910.87 : x
  2. Step 2: Convert to fraction form
    53,784.71/74,221.84 = 29,910.87/x
  3. Step 3: Cross multiply
    53,784.71x = 74,221.84 × 29,910.87
  4. Step 4: Simplify right side
    53,784.71x = 2,220,039,928.91
  5. Step 5: Solve for x
    x = 2,220,039,928.91/53,784.71
  6. Step 6: Final answer
    x = 41,276.41

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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.