Home / 53,645.22-74,029.86-29,772.09

Finding the Fourth Proportional to 53,645.22, 74,029.86 and 29,772.09

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Solution

The fourth proportional to 53,645.22, 74,029.86 and 29,772.09 is: 41,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,645.22 : 74,029.86 = 29,772.09 : x
  2. Step 2: Convert to fraction form
    53,645.22/74,029.86 = 29,772.09/x
  3. Step 3: Cross multiply
    53,645.22x = 74,029.86 × 29,772.09
  4. Step 4: Simplify right side
    53,645.22x = 2,204,023,654.61
  5. Step 5: Solve for x
    x = 2,204,023,654.61/53,645.22
  6. Step 6: Final answer
    x = 41,085.18

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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.