Home / 53,677.09-74,078.09-29,806.39

Finding the Fourth Proportional to 53,677.09, 74,078.09 and 29,806.39

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Solution

The fourth proportional to 53,677.09, 74,078.09 and 29,806.39 is: 41,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,677.09 : 74,078.09 = 29,806.39 : x
  2. Step 2: Convert to fraction form
    53,677.09/74,078.09 = 29,806.39/x
  3. Step 3: Cross multiply
    53,677.09x = 74,078.09 × 29,806.39
  4. Step 4: Simplify right side
    53,677.09x = 2,208,000,441.00
  5. Step 5: Solve for x
    x = 2,208,000,441.00/53,677.09
  6. Step 6: Final answer
    x = 41,134.88

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1.5x scale

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.