Home / 57,998.64-86,955.40-18,533.04

Finding the Fourth Proportional to 57,998.64, 86,955.40 and 18,533.04

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Solution

The fourth proportional to 57,998.64, 86,955.40 and 18,533.04 is: 27,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,998.64 : 86,955.40 = 18,533.04 : x
  2. Step 2: Convert to fraction form
    57,998.64/86,955.40 = 18,533.04/x
  3. Step 3: Cross multiply
    57,998.64x = 86,955.40 × 18,533.04
  4. Step 4: Simplify right side
    57,998.64x = 1,611,547,906.42
  5. Step 5: Solve for x
    x = 1,611,547,906.42/57,998.64
  6. Step 6: Final answer
    x = 27,785.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.