Home / 53,690.49-74,093.88-29,819.40

Finding the Fourth Proportional to 53,690.49, 74,093.88 and 29,819.40

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Solution

The fourth proportional to 53,690.49, 74,093.88 and 29,819.40 is: 41,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,690.49 : 74,093.88 = 29,819.40 : x
  2. Step 2: Convert to fraction form
    53,690.49/74,093.88 = 29,819.40/x
  3. Step 3: Cross multiply
    53,690.49x = 74,093.88 × 29,819.40
  4. Step 4: Simplify right side
    53,690.49x = 2,209,435,045.27
  5. Step 5: Solve for x
    x = 2,209,435,045.27/53,690.49
  6. Step 6: Final answer
    x = 41,151.33

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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.