Home / 53,884.79-74,361.09-31,228.14

Finding the Fourth Proportional to 53,884.79, 74,361.09 and 31,228.14

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Solution

The fourth proportional to 53,884.79, 74,361.09 and 31,228.14 is: 43,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,884.79 : 74,361.09 = 31,228.14 : x
  2. Step 2: Convert to fraction form
    53,884.79/74,361.09 = 31,228.14/x
  3. Step 3: Cross multiply
    53,884.79x = 74,361.09 × 31,228.14
  4. Step 4: Simplify right side
    53,884.79x = 2,322,158,529.07
  5. Step 5: Solve for x
    x = 2,322,158,529.07/53,884.79
  6. Step 6: Final answer
    x = 43,094.88

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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.