Home / 57,105.04-85,636.28-19,654.64

Finding the Fourth Proportional to 57,105.04, 85,636.28 and 19,654.64

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Solution

The fourth proportional to 57,105.04, 85,636.28 and 19,654.64 is: 29,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,105.04 : 85,636.28 = 19,654.64 : x
  2. Step 2: Convert to fraction form
    57,105.04/85,636.28 = 19,654.64/x
  3. Step 3: Cross multiply
    57,105.04x = 85,636.28 × 19,654.64
  4. Step 4: Simplify right side
    57,105.04x = 1,683,150,254.34
  5. Step 5: Solve for x
    x = 1,683,150,254.34/57,105.04
  6. Step 6: Final answer
    x = 29,474.64

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1.5x scale

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.