Home / 53,290.47-73,540.98-29,091.45

Finding the Fourth Proportional to 53,290.47, 73,540.98 and 29,091.45

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Solution

The fourth proportional to 53,290.47, 73,540.98 and 29,091.45 is: 40,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.47 : 73,540.98 = 29,091.45 : x
  2. Step 2: Convert to fraction form
    53,290.47/73,540.98 = 29,091.45/x
  3. Step 3: Cross multiply
    53,290.47x = 73,540.98 × 29,091.45
  4. Step 4: Simplify right side
    53,290.47x = 2,139,413,742.62
  5. Step 5: Solve for x
    x = 2,139,413,742.62/53,290.47
  6. Step 6: Final answer
    x = 40,146.27

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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.