Home / 53,878.68-74,343.96-29,999.88

Finding the Fourth Proportional to 53,878.68, 74,343.96 and 29,999.88

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Solution

The fourth proportional to 53,878.68, 74,343.96 and 29,999.88 is: 41,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,878.68 : 74,343.96 = 29,999.88 : x
  2. Step 2: Convert to fraction form
    53,878.68/74,343.96 = 29,999.88/x
  3. Step 3: Cross multiply
    53,878.68x = 74,343.96 × 29,999.88
  4. Step 4: Simplify right side
    53,878.68x = 2,230,309,878.72
  5. Step 5: Solve for x
    x = 2,230,309,878.72/53,878.68
  6. Step 6: Final answer
    x = 41,395.04

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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.