Home / 53,781.93-74,213.04-29,907.18

Finding the Fourth Proportional to 53,781.93, 74,213.04 and 29,907.18

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Solution

The fourth proportional to 53,781.93, 74,213.04 and 29,907.18 is: 41,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.93 : 74,213.04 = 29,907.18 : x
  2. Step 2: Convert to fraction form
    53,781.93/74,213.04 = 29,907.18/x
  3. Step 3: Cross multiply
    53,781.93x = 74,213.04 × 29,907.18
  4. Step 4: Simplify right side
    53,781.93x = 2,219,502,745.63
  5. Step 5: Solve for x
    x = 2,219,502,745.63/53,781.93
  6. Step 6: Final answer
    x = 41,268.56

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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.