Home / 53,691.80-74,091.52-29,817.06

Finding the Fourth Proportional to 53,691.80, 74,091.52 and 29,817.06

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Solution

The fourth proportional to 53,691.80, 74,091.52 and 29,817.06 is: 41,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.80 : 74,091.52 = 29,817.06 : x
  2. Step 2: Convert to fraction form
    53,691.80/74,091.52 = 29,817.06/x
  3. Step 3: Cross multiply
    53,691.80x = 74,091.52 × 29,817.06
  4. Step 4: Simplify right side
    53,691.80x = 2,209,191,297.33
  5. Step 5: Solve for x
    x = 2,209,191,297.33/53,691.80
  6. Step 6: Final answer
    x = 41,145.79

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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.