Home / 57,069.18-85,581.72-19,622.16

Finding the Fourth Proportional to 57,069.18, 85,581.72 and 19,622.16

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Solution

The fourth proportional to 57,069.18, 85,581.72 and 19,622.16 is: 29,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069.18 : 85,581.72 = 19,622.16 : x
  2. Step 2: Convert to fraction form
    57,069.18/85,581.72 = 19,622.16/x
  3. Step 3: Cross multiply
    57,069.18x = 85,581.72 × 19,622.16
  4. Step 4: Simplify right side
    57,069.18x = 1,679,298,202.92
  5. Step 5: Solve for x
    x = 1,679,298,202.92/57,069.18
  6. Step 6: Final answer
    x = 29,425.66

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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.