Home / 57,104.93-85,663.14-19,660.05

Finding the Fourth Proportional to 57,104.93, 85,663.14 and 19,660.05

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Solution

The fourth proportional to 57,104.93, 85,663.14 and 19,660.05 is: 29,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,104.93 : 85,663.14 = 19,660.05 : x
  2. Step 2: Convert to fraction form
    57,104.93/85,663.14 = 19,660.05/x
  3. Step 3: Cross multiply
    57,104.93x = 85,663.14 × 19,660.05
  4. Step 4: Simplify right side
    57,104.93x = 1,684,141,541.83
  5. Step 5: Solve for x
    x = 1,684,141,541.83/57,104.93
  6. Step 6: Final answer
    x = 29,492.05

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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.