Home / 53,690.10-74,129.40-33,556.03

Finding the Fourth Proportional to 53,690.10, 74,129.40 and 33,556.03

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Solution

The fourth proportional to 53,690.10, 74,129.40 and 33,556.03 is: 46,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,690.10 : 74,129.40 = 33,556.03 : x
  2. Step 2: Convert to fraction form
    53,690.10/74,129.40 = 33,556.03/x
  3. Step 3: Cross multiply
    53,690.10x = 74,129.40 × 33,556.03
  4. Step 4: Simplify right side
    53,690.10x = 2,487,488,184.96
  5. Step 5: Solve for x
    x = 2,487,488,184.96/53,690.10
  6. Step 6: Final answer
    x = 46,330.48

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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.