Home / 57,312.05-85,980.36-17,327.62

Finding the Fourth Proportional to 57,312.05, 85,980.36 and 17,327.62

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Solution

The fourth proportional to 57,312.05, 85,980.36 and 17,327.62 is: 25,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312.05 : 85,980.36 = 17,327.62 : x
  2. Step 2: Convert to fraction form
    57,312.05/85,980.36 = 17,327.62/x
  3. Step 3: Cross multiply
    57,312.05x = 85,980.36 × 17,327.62
  4. Step 4: Simplify right side
    57,312.05x = 1,489,834,575.64
  5. Step 5: Solve for x
    x = 1,489,834,575.64/57,312.05
  6. Step 6: Final answer
    x = 25,995.14

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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.