Home / 53,690.72-74,130.26-33,556.65

Finding the Fourth Proportional to 53,690.72, 74,130.26 and 33,556.65

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Solution

The fourth proportional to 53,690.72, 74,130.26 and 33,556.65 is: 46,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,690.72 : 74,130.26 = 33,556.65 : x
  2. Step 2: Convert to fraction form
    53,690.72/74,130.26 = 33,556.65/x
  3. Step 3: Cross multiply
    53,690.72x = 74,130.26 × 33,556.65
  4. Step 4: Simplify right side
    53,690.72x = 2,487,563,458.45
  5. Step 5: Solve for x
    x = 2,487,563,458.45/53,690.72
  6. Step 6: Final answer
    x = 46,331.35

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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.