Home / 57,116.04-85,652.78-19,665.64

Finding the Fourth Proportional to 57,116.04, 85,652.78 and 19,665.64

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Solution

The fourth proportional to 57,116.04, 85,652.78 and 19,665.64 is: 29,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,116.04 : 85,652.78 = 19,665.64 : x
  2. Step 2: Convert to fraction form
    57,116.04/85,652.78 = 19,665.64/x
  3. Step 3: Cross multiply
    57,116.04x = 85,652.78 × 19,665.64
  4. Step 4: Simplify right side
    57,116.04x = 1,684,416,736.48
  5. Step 5: Solve for x
    x = 1,684,416,736.48/57,116.04
  6. Step 6: Final answer
    x = 29,491.13

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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.